Document and Entity Information (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Mar. 06, 2015	Jun. 27, 2014
Document And Entity Information
Entity Registrant Name	Ultralife Corporation
Entity Central Index Key	0000875657
Document Type	10-K
Document Period End Date	Dec. 31, 2014
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	No
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 49,300
Entity Common Stock, Shares Outstanding		17,340,813
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2014

Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 17,711	$ 16,066
Restricted cash	155	423
Trade accounts receivable, net	11,295	14,238
Inventories, net	26,086	26,053
Prepaid expenses and other current assets	1,313	1,601
Due from insurance company	184	186
Deferred income taxes	106	91
Total current assets	56,850	58,658
Property, equipment and improvements, net	9,812	10,202
Goodwill	16,407	16,419
Other intangible assets, net	4,338	4,646
Security deposits and other non-current assets	235	269
Total assets	87,642	90,194
Current liabilities:
Accounts payable	6,996	7,053
Accrued compensation and related benefits	1,725	1,908
Accrued expenses and other current liabilities	2,421	2,960
Deferred income taxes	0	9
Income taxes payable	69	94
Total current liabilities	11,211	12,024
Deferred income taxes	4,462	4,242
Other non-current liabilities	56	283
Total liabilities	15,729	16,549
Shareholders' Equity:
Common stock	1,894	1,885
Capital in excess of par value	175,940	174,935
Accumulated deficit	(96,920)	(94,804)
Accumulated other comprehensive income	(467)	(614)
Treasury stock, at cost	(8,420)	(7,658)
Total Ultralife Equity	72,027	73,744
Noncontrolling interest	(114)	(99)
Total shareholders' equity	71,913	73,645
Total liabilities and shareholders' equity	$ 87,642	$ 90,194

Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Trade accounts receivable - allowance for doubtful accouns	$ 340	$ 268
Preferred stock - par value (in dollars per share)	$ 0.1	$ 0.1
Preferred stock - shares authorized	10,000,000	10,000,000
Preferred stock - shares issued	0	0
Preferred stock - shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.1	$ 0.1
Common stock - shares authorized	40,000,000	40,000,000
Common stock - shares issued	18,941,544	18,851,579
Common stock - shares outstanding	17,340,813	17,478,822
Treasury stock - shares	1,600,731	1,372,757

Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenues	$ 66,494	$ 78,835
Cost of products sold	47,144	56,214
Gross profit	19,350	22,621
Operating expenses:
Research and defelopment	5,333	5,859
Selling, general and administrative	15,460	17,386
Total operating expenses	20,793	23,245
Operating loss	(1,443)	(624)
Other (expense) income:
Interest income	13	39
Interest and financing expense	(218)	(238)
Miscellaneous	(154)	(26)
Loss from continuing operations before income taxes	(1,802)	(849)
Income tax provision	268	239
Net loss from continuing operations	(2,070)	(1,088)
(Loss) income from discontinued operations, net of tax	61	(128)
Net loss	(2,131)	(960)
Net loss attributable to noncontrolling interest	15	34
Net loss attributable to Ultralife	(2,116)	(926)
Other comprehensive income - Foreign currency translation adjustments	147	6
Comprehensive loss attributable to Ultralife	$ (1,969)	$ (920)
Net loss per share attributable to Ultralife common shareholders - basic: (in dollars per share):
Continuing operations	$ (0.12)	$ (0.06)
Discontinued operations	$ 0	$ 0.01
Total	$ (0.12)	$ (0.05)
Weighted average shares outstanding - basic	17,475,000	17,465,000

Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Statement of Cash Flows [Abstract]
Net loss	$ (2,131)	$ (960)
Loss (gain) from discontinued operations, net of tax	61	(128)
Adjustments to reconcile net loss from continuing operations to net cash provided by operating activities
Depreciation and amortization of financing fees	2,828	3,029
Amortization of intangible assets	305	402
Loss on long-lived asset impairment and disposals	298	56
Foreign exchange loss	0	15
Stock-based compensation	1,003	1,131
Changes in deferred income taxes	196	113
Provision for allowance for doubtful accounts	52	29
Changes in operating assets and liabilities:
Accounts receivable	2,878	6,694
Inventories	(46)	4,418
Prepaid expenses and other assets	249	(647)
Due from insurance company	0	316
Income taxes receivable and payable	(25)	121
Accounts payable and other liabilities	(2,003)	(6,694)
Net cash provided by operating activities from continuing operations	3,665	7,895
Net cash used in operating activities of discontinued operations	0	(998)
Net cash provided by operating activities	3,665	6,897
INVESTING ACTIVITIES:
Cash paid for property, equipment and improvements	(1,653)	(766)
Change in restricted cash	268	(2)
Net cash used in investing activities from continuing operations	(1,385)	(768)
Net cash provided by investing activities from discontinued operations	0	499
Net cash used in investing activities	(1,385)	(269)
FINANCING ACTIVITIES:
Cash paid to repurchase treasury stock	(762)	0
Proceeds from exercise of stock options	11	12
Net cash (used in) provided by financing activities	(751)	12
Effect of exchange rate changes on cash and cash equivalents	116	(230)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	1,645	6,410
Cash and cash equivalents, beginning of period	16,066	9,656
Cash and cash equivalents, end of period	17,711	16,066
Supplemental Cash Flow Information:
Income taxes paid	60	100
Construction in Process in accounts payable	1,019	0
Interest paid	$ 76	$ 107

Shareholders Equity (USD $) In Thousands, except Share data	Common Stock USD ($)	Common Stock Shares	Additional Paid-In Capital USD ($)	Other Comprehensive Income / Loss USD ($)	Retained Earnings / Accumulated Deficit USD ($)	Treasury Stock USD ($)	Noncontrolling Interest USD ($)	Total USD ($)
Beginning balance at Dec. 31, 2012	$ 1,883		$ 173,794	$ (620)	$ (97,878)	$ (7,658)	$ (65)	$ 73,456
Beginning balance - shares at Dec. 31, 2012		18,828,734
Shares issued to directors - amount	2		71					73
Shares issued to directors - shares		19,845						19,845
Shares issued on stock option exercise - amount			12					12
Shares issued on stock option exercise - shares		3,000						(3,000)
Stock compensation - options			774					774
Stock compensation - restricted stock			284					284
Foreign currency translation adjustments				6				6
Vesting of restricted stock - amount								0
Vesting of restricted stock - shares								0
Purchase of stock								0
Net loss					(926)		(34)	(960)
Ending balance at Dec. 31, 2013	1,885		174,935	(614)	(94,804)	(7,658)	(99)	73,645
Ending balance - shares at Dec. 31, 2013		18,851,579						18,851,579
Shares issued to directors - amount	6		204					210
Shares issued to directors - shares		56,898						56,898
Shares issued on stock option exercise - amount	0		11					11
Shares issued on stock option exercise - shares		3,067						(3,067)
Stock compensation - options			614					614
Stock compensation - restricted stock			179					179
Foreign currency translation adjustments				147				147
Vesting of restricted stock - amount	3		(3)					0
Vesting of restricted stock - shares		30,000
Purchase of stock						(762)		(762)
Net loss					(2,116)		(15)	(2,131)
Ending balance at Dec. 31, 2014	$ 1,894		$ 175,940	$ (467)	$ (96,920)	$ (8,420)	$ (114)	$ 71,913
Ending balance - shares at Dec. 31, 2014		18,941,544						18,941,544

Note 1 - Summary of Operations and Significant Accounting Policies

12 Months Ended

Dec. 31, 2014

Note 1 - Summary Of Operations And Significant Accounting Policies

Summary of Operations and Significant Accounting Policies

Note 1 - Summary of Operations and Significant Accounting Policies

a. Description of Business

We offer products and services ranging from power solutions to communications and electronics systems. Through our engineering and collaborative approach to problem solving, we serve government, defense and commercial customers across the globe. We design, manufacture, install and maintain power and communications systems including: rechargeable and non-rechargeable batteries, charging systems, communications and electronics systems and accessories, and custom engineered systems. We sell our products worldwide through a variety of trade channels, including original equipment manufacturers (“OEMs”), industrial and defense supply distributors, and directly to U.S. and international defense departments.

b. Principles of Consolidation

The consolidated financial statements are prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and include the accounts of Ultralife Corporation, our wholly-owned subsidiaries, Ultralife Batteries (UK) Ltd. (“Ultralife UK”), ABLE New Energy Co., Limited, and its wholly-owned subsidiary ABLE New Energy Co., Ltd. (“ABLE” collectively), and our majority-owned subsidiary Ultralife Batteries India Private Limited (“India JV”). Intercompany accounts and transactions have been eliminated in consolidation.

Operations of RedBlack Communications, Inc. (“RedBlack”), our divested company and certain components of UK operations are reported as discontinued operations.

c. Management's Use of Judgment and Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at year end and the reported amounts of revenues and expenses during the reporting period. Key areas affected by estimates include: (a) carrying value of goodwill and intangible assets; (b) reserves for deferred tax assets, excess and obsolete inventory, warranties, and bad debts; (c) profitability on development contracts, if any; (d) various expense accruals; and (e) stock-based compensation. Our actual results could differ from these estimates.

d. Reclassifications

Certain items previously reported in specific financial statement captions have been reclassified to conform to the current presentation.

e. Cash and Cash Equivalents

For purposes of the Consolidated Statements of Cash Flows, we consider all demand deposits with financial institutions and financial instruments with original maturities of three months or less to be cash equivalents. For purposes of the Consolidated Balance Sheet, the carrying value approximates fair value because of the short maturity of these instruments.

Our cash balances may at times exceed federally insured limits. We have not experienced any losses in these accounts and believe we are not exposed to any significant risk with respect to cash and cash equivalents.

f. Accounts Receivable and Allowance for Doubtful Accounts

We extend credit to our customers in the normal course of business. We perform ongoing credit evaluations and generally do not require collateral. Trade accounts receivable are recorded at their invoiced amounts, net of allowance for doubtful accounts. We evaluate the adequacy of our allowance for doubtful accounts quarterly. Accounts outstanding longer than contractual payment terms are considered past due and are reviewed individually for collectability. We maintain reserves for potential credit losses based upon our loss history and specific receivables aging analysis. Receivable balances are written off when collection is deemed unlikely.

Changes in our allowance for doubtful accounts during the years ended December 31, 2014 and 2013 were as follows:

		2014		2013
Balance at beginning of year	$	288	$	322
Amounts charged to expense		52		29
Net write-offs (recoveries)		—		(63	)
Total	$	340	$	288

g. Inventories

Inventories are stated at the lower of cost or market with cost determined under the first-in, first-out (FIFO) method. We record provisions for excess, obsolete or slow-moving inventory based on changes in customer demand, technology developments or other economic factors.

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Estimated useful lives are as follows:

Buildings 10 – 20 years

Machinery and Equipment 5 – 10 years

Furniture and Fixtures 3 – 10 years

Computer Hardware and Software 3 – 5 years

Leasehold Improvements Lesser of useful life or lease term

Depreciation and amortization are computed using the straight-line method. Betterments, renewals and extraordinary repairs that extend the life of the assets are capitalized. Other repairs and maintenance costs are expensed when incurred. When disposed, the cost and accumulated depreciation applicable to assets retired are removed from the accounts and the gain or loss on disposition is recognized in operating income (expense).

Long-Lived Assets, Goodwill and Intangibles

We regularly assess all of our long-lived assets for impairment when events or circumstances indicate that their carrying amounts may not be recoverable. For property, plant and equipment and amortizable intangible assets, this is accomplished by comparing the expected undiscounted future cash flows of the assets with the respective carrying amount as of the date of assessment. Should aggregate future cash flows be less than the carrying value, a write-down would be required, measured as the difference between the carrying value and the fair value of the asset. Fair value is estimated either through the assistance of an independent valuation or as the present value of expected discounted future cash flows. The discount rate used by us in our evaluation approximates our weighted average cost of capital. If the expected undiscounted future cash flows exceed the respective carrying amount as of the date of assessment, no impairment is recognized. We did not record any impairments of long-lived assets in the years ended December 31, 2014 or 2013.

We do not amortize goodwill and intangible assets with indefinite lives, but instead measure these assets for impairment at least annually, or when events indicate that impairment may exist. We amortize intangible assets that have definite lives so that the economic benefits of the intangible assets are being recognized as expense over their weighted-average estimated useful lives.

The impairment analysis of goodwill consists first of a review of various qualitative factors of the identified reporting units to determine whether it is more likely than not that the fair value of a reporting unit exceeds its carrying amount, including goodwill. This review includes, but is not limited to, an evaluation of the macroeconomic, industry or market, and cost factors relevant to the reporting unit as well as financial performance and entity or reporting unit events that may affect the value of the reporting unit. If this review leads to the determination that it is more likely than not that the fair value of the reporting unit is greater than its carrying amount, further impairment testing is not required. However, if this review cannot support such a conclusion, or at our discretion, quantitative impairment steps are performed. Similarly, the analysis for indefinite-lived intangible assets consists of review of various qualitative factors to determine if it is more likely than not that the indefinite-lived intangible asset is not impaired. If such a conclusion cannot be supported, or at our discretion, quantitative impairment steps are performed.

The quantitative impairment test for goodwill consists of a comparison of the fair value of the reporting unit with the carrying amount of the reporting unit to which it is assigned. If the fair value of a reporting unit exceeds its carrying amount, goodwill of the reporting unit is considered not impaired. If the carrying amount of a reporting unit exceeds its fair value, a second step of the goodwill impairment test shall be performed to measure the amount of impairment loss, if any. The impairment test for intangible assets with indefinite lives consists of a comparison of the fair value of the intangible assets with their carrying amounts. If the carrying value of the intangible assets exceeds the fair value, an impairment loss shall be recognized in an amount equal to that excess. We determine the fair value of the reporting unit for goodwill impairment testing based on a discounted cash flow model. We determine the fair value of our intangibles assets with indefinite lives (trademarks) through the royalty relief income valuation approach.

There were no impairments of goodwill and intangible assets with indefinite lives in the years ended December 31, 2014 and 2013.

Future amortization expense of amortizable intangible assets will be approximately $233, $167, $122, $86 and $63 for the fiscal years ending December 31, 2015 through 2019, respectively.

j. Translation of Foreign Currency

The financial statements of our foreign subsidiaries are translated into U.S. dollar equivalents, with translation adjustments recorded as a component of accumulated other comprehensive income. Exchange losses relate to foreign currency transactions and balances included in net loss for the years ended December 31, 2014 and 2013 were $235 and $128, respectively.

k. Revenue Recognition

Product Sales – In general, revenues from the sale of products are recognized when products are shipped. When products are shipped with terms that require transfer of title upon delivery at a customer’s location, revenues are recognized on the date of delivery. A provision is made at the time the revenue is recognized for warranty costs expected to be incurred. Customers, including distributors, do not have a general right of return on products shipped.

Technology Contracts – We recognize revenue using the proportional effort method based on the relationship of costs incurred to date to the total estimated cost to complete the contract. Elements of cost include direct material, labor and overhead. If a loss on a contract is estimated, the full amount of the loss is recognized immediately. We allocate costs to all technology contracts based upon actual costs incurred including an allocation of certain research and development costs incurred.

Deferred Revenue – For each source of revenues, we defer recognition if: i) evidence of an agreement does not exist, ii) delivery or service has not occurred, iii) the selling price is not fixed or determinable, or iv) collectability is not reasonably assured.

l. Warranty Reserves

We estimate future costs associated with expected product failure rates, material usage and service costs in the development of our warranty obligations. Warranty reserves, included in other current liabilities and other long-term liabilities as applicable on our Consolidated Balance Sheets, are based on historical experience of warranty claims. In the event the actual results of these items differ from the estimates, an adjustment to the warranty obligation would be recorded.

m. Shipping and Handling Costs

Costs incurred by us related to shipping and handling are included in cost of products sold. Amounts charged to customers pertaining to these costs are reflected as revenue.

n. Advertising Expenses

Advertising costs are expensed as incurred and are included in selling, general and administrative expenses in the accompanying Consolidated Statements of Operations. Such expenses amounted to $43 and $114 for the years ended December 31, 2014 and 2013, respectively.

o. Research and Development

Research and development expenditures are charged to operations as incurred. The majority of research and development expenses pertain to salaries and benefits, developmental supplies, depreciation and other contracted services. During 2014 and 2013, we expended $5,648 and $6,262, respectively, on research and development, including $315 and $403, respectively, on customer sponsored research and development activities, which are included in cost of goods sold. We recognized $317 and $403 of revenue relating to these activities during 2014 and 2013, respectively.

In 2011, we entered into a collaboration agreement with the New York State Energy Research and Development Authority (“NYSERDA”), to develop and demonstrate a large hybrid grid-connected energy storage system. This agreement was terminated by NYSERDA in the second quarter of 2013, per the terms of the agreement. We had planned to continue this project internally with smaller form batteries which provide greater opportunity and applicability in the markets we serve. However, we have decided not to further pursue the development of this project, and have recorded a write-off of capitalized costs totaling $161 in the fourth quarter of 2014 relating to this project.

p. Environmental Costs

Environmental expenditures that relate to current operations are expensed. Remediation costs that relate to an existing condition caused by past operations are accrued when it is probable that these costs will be incurred and can be reasonably estimated.

q. Income Taxes

We account for income taxes using the asset and liability method. Under this method, deferred tax assets and liabilities are determined based on differences between financial reporting and tax basis of assets and liabilities and are measured using the enacted tax rates and laws that are expected to be in effect when the differences are expected to reverse.

A valuation allowance is required when it is more likely than not that the recorded value of a deferred tax asset will not be realized. As of December 31, 2014, we continued to recognize a valuation allowance in the U.S. and U.K. on our net deferred tax assets to the extent the differences and the U.S. and U.K. net operating loss and tax credit carryforwards resulting in the deferred tax asset are not able to be offset by future reversing temporary differences. The assessment of the realizability of the U.S. NOL was based on a number of historical factors including, our history of net operating losses, the volatility of our earnings, our historical operating volatility, our historical inability to accurately forecast earnings for future periods and the continued uncertainty of the general business climate as of the end of 2014. We concluded that these historical factors represent sufficient negative evidence and have concluded that we should record a full valuation allowance against these net deferred tax assets. We also recorded a full valuation allowance on our net deferred tax asset for the year ended December 31, 2013.

At December 31, 2014 and 2013, we had unrecognized tax benefits related to uncertain tax positions which were recorded as a decrease in our net operating loss carryforward. We had not recorded any interest or penalty in regard to any unrecognized benefit. Interest and penalties would begin to accrue in the period in which the NOLs related to the uncertain tax positions are utilized. Our policy regarding interest and/or penalties related to income tax matters is to recognize such items as a component of income tax expense (benefit).

r. Concentration Related to Customers and Suppliers

During the years ended December 31, 2014 and 2013, we had one major customer, a large defense primary contractor, which comprised 18% and 25% of our revenues, respectively. There were no other customers that comprised greater than 10% of our total revenues during these years.

We have one customer who comprised 16% of our trade accounts receivable as of December 31, 2014. We had two customers who comprised 26% and 15%, respectively, of our trade accounts receivable as of December 31, 2013.

Currently, we do not experience significant seasonal trends in our revenues. Since a significant portion of our revenues are based on purchases from U.S. and allied country defense departments, the timing of our sales could be impacted by delays in the government budget process and the decisions to deploy resources to support military purchases of our products.

We generally do not distribute our products to a concentrated geographical area nor is there a significant concentration of credit risks arising from individuals or groups of customers engaged in similar activities, or who have similar economic characteristics. While direct and indirect sales to the U.S. Department of Defense have been substantial during 2014 and 2013, we do not consider this customer to be a significant credit risk. We do not normally obtain collateral on trade accounts receivable.

Certain materials and components used in our products are available only from a single or a limited number of suppliers. As such, some materials and components could become in short supply resulting in limited availability and/or increased costs. Additionally, we may elect to develop relationships with a single or limited number of suppliers for materials and components that are otherwise generally available. Although we believe that alternative suppliers are available to supply materials and components that could replace materials and components currently used and that, if necessary, we would be able to redesign our products to make use of such alternatives, any interruption in the supply from any supplier that serves as a sole source could delay product shipments and have a material adverse effect on our business, financial condition and results of operations. We have experienced interruptions of product deliveries by sole source suppliers in the past.

s. Fair Value Measurements and Disclosures

Fair value is defined as the price that would be received for an asset or the exit price that would be paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. Fair value is estimated by applying the following hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement:

Level 1:

Quoted prices in active markets for identical assets or liabilities.

Level 2:

Observable inputs, other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or that we corroborate with observable market data for substantially the full term of the related assets or liabilities.

Level 3:

Unobservable inputs supported by little or no market activity that are significant to the fair value of the assets or liabilities.

The fair value of financial instruments approximated their carrying values at December 31, 2014 and 2013. The fair value of cash, trade accounts receivable, trade accounts payable, and accrued liabilities approximates carrying value due to the short-term nature of these instruments.

t. Earnings (Loss) Per Share

Basic earnings (loss) per share is computed by dividing net income or loss by the weighted average number of common shares outstanding for the period. Due to the net losses in 2014 and 2013, diluted earnings per share are equal to basic earnings per share, as all potential shares are anti-dilutive. Diluted earnings per share calculations reflect the assumed exercise and conversion of dilutive employee stock options and unvested restricted stock, if any, applying the treasury stock method. Diluted earnings per share calculations exclude the effect of approximately 2,195,222 and 2,251,622 employee stock options and restricted stock shares in 2014 and 2013, respectively, since such options have an exercise price in excess of the weighted average market price of the Company’s common stock.

u. Stock-Based Compensation

We have various stock-based employee compensation plans, which are described more fully in Note 7. The compensation cost relating to share-based payment transactions is measured at the grant date, based on the estimated fair value of the award, and is recognized as expense over the employee’s requisite service period (generally the vesting period of the equity award).

v. Segment Reporting

We have two operating segments – Battery & Energy Products, and Communications Systems. The basis for determining our operating segments is the manner in which financial information is used by us in monitoring our operations. Management operates and organizes itself according to business units that comprise unique products and services across geographic locations.

In 2012, we decided to divest our RedBlack Communications business, which previously was reported in the Communications Systems segment. Also in 2012, we elected not to renew the lease for our U.K. manufacturing facility which expired on March 24, 2013. The results of the discontinued UK operations were previously reported in the Battery and Energy Products segment.

w. Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board issued guidance related to revenue from contracts with customers. Under this guidance, revenue is recognized when promised goods or services are transferred to customers in an amount that reflects the consideration that is expected to be received for those goods or services. The updated standard will replace most existing revenue recognition guidance under GAAP when it becomes effective and permits the use of either the retrospective or cumulative effect transition method. Early adoption is not permitted. The updated standard will be effective for us in the first quarter of 2017. We have not yet selected a transition method and we are currently evaluating the effect that the updated standard will have on our consolidated financial statements and related disclosures.

Note 2- Dispositi

Note 2 - Dispositions, Relocations and Exit Activities

12 Months Ended

Dec. 31, 2014

Discontinued Operations and Disposal Groups [Abstract]

Dispositions, Relocations and Exit Activities

Note 2- Dispositions, Relocations and Exit Activities

During 2014, we were informed that the lease for our China facility would not be extended, and we commenced a search for an alternate site to relocate our facility. In July 2014, the Company’s subsidiary in China entered into a lease for a replacement facility, also located in Shenzhen. The lease has a five year term, included two rent-free months, and requires rent payments of RMB117 (approximately $19 at the current exchange rate) per month for the first three years, increasing to RMB126 (approximately $20) per month for the final two years.

In September 2014, the Company’s subsidiary in China entered into agreements with the local village government in Shenzhen, China and the subsidiary’s landlord for the facility the subsidiary is required to vacate. These agreements required the local government to compensate both the subsidiary and landlord for the building, leasehold improvements and additional expenses to be incurred in moving from this facility. The subsidiary received its estimated share of government compensation totaling $815 in 2014. The subsidiary has vacated the former facility premises and has substantially completed the move and transition to the new facility as of December 31, 2014.

It is the Company’s policy to recognize this compensation as a pro-rata reduction of expenses as the expenses are recognized. The unrecognized balance is deferred and carried as a current liability.

The Company estimates that the total expenses of moving, including forfeited leasehold improvements, moving costs, legal costs, labor retention incentives and business interruption costs will total approximately $1,060. During 2014 the Company recognized $596 of the government’s compensation as a reduction of expenses, of which approximately $840 were recognized in 2014. Expenses totaling approximately $219 are estimated to be incurred in 2015 in relation to this relocation, and $219 of government compensation has been deferred as a current liability and is available to offset such expenses.

In 2012, we elected not to renew the lease for our U.K. manufacturing facility which expired in March 2013, and to relocate our sales and services operations to a smaller facility. We recorded a gain in discontinued operations in 2013 amounting to $241, relating to the difference between estimated costs and the actual amounts paid in relation to our relocation.

During 2014, we elected to terminate our lease for our U.K. office and repair facility which was to have expired in May 2018. The termination of this lease is effective as of January 31, 2015.

Also in 2012, we sold 100% of our ownership interest in RedBlack. During 2014 and 2013, we recognized $61 and $125 in expense, respectively, in discontinued operations arising from customary post-closing working capital adjustments relating to that sale.

- Definition

The entire disclosure for the facts and circumstances leading to the completed or expected disposal, manner and timing of disposal, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the segment in which the disposal group was reported, and the classification (whether sold or classified as held for sale) and carrying value of the assets and liabilities comprising the disposal group. Includes all disposal groups, including those classified as components of the entity (discontinued operations).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1020-107759

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1436-107760

+ Details

Note 3 - Supplemental Balance Sheet Information

12 Months Ended

Dec. 31, 2014

Note 3 - Supplemental Balance Sheet Information

Supplemental Balance Sheet Information

Note 3 - Supplemental Balance Sheet Information

a. Inventory

Inventories are stated at the lower of cost or market with cost determined under the first-in, first-out (FIFO) method. The composition of inventories was:

	December 31,
	2014		2013
Raw materials	$	15,100	$	16,239
Work in process		1,489		1,674
Finished products		9,497		8,140
Total	$	26,086	$	26,053

b. Property, Plant and Equipment

Major classes of property, plant and equipment consisted of the following:

	December 31,
	2014			2013
Land	$	123		$	123
Buildings and leasehold improvements		7,437			7,412
Machinery and equipment		48,054			47,405
Furniture and fixtures		1,811			1,866
Computer hardware and software		4,452			4,247
Construction in progress		1,351			1,073
		63,228			62,126
Less – Accumulated depreciation		(53,416	)		(51,924	)
Total	$	9,812		$	10,202

Estimated costs to complete construction in progress as of December 31, 2014 and 2013 were approximately $586 and $472, respectively.

Depreciation expense was $2,757 and $2,957 for the years ended December 31, 2014 and 2013, respectively.

c. Impairment of Goodwill, Intangible Assets and Long-Lived Assets

We elected to forego the qualitative assessment for our three identified reporting units (Battery & Energy Products business, Communications Systems business, and Able (which is a subset of our Battery & Energy Products business), and conducted a quantitative assessment. The fair value for our reporting units subjected to this quantitative test could not be determined using readily available quoted Level 1 inputs or Level 2 inputs that were observable in active markets. Therefore, we used an income approach to estimate the fair value of the reporting units, using Level 3 inputs. To estimate the fair value of the reporting units, we used significant estimates and judgments, including an assessment of our future revenue prospects, particularly government/defense opportunities, as well as our estimates of the probabilities of the opportunities being funded, awarded, and awarded to us. Other key estimates and factors used in the valuation model included revenue growth rates and profit margins based on internal forecasts, as well as industry and market based terminal growth rates, inputs to the weighted-average cost of capital used to discount future cash flows, and earnings multiples. As a result of the goodwill impairment tests performed during 2014 and 2013, we determined that an impairment was not required.

Similarly, for our four other indefinite-lived intangible assets (trademarks and trade names), we elected to forego the qualitative assessment and proceeded to perform quantitative assessments. The fair value for our indefinite-lived intangible assets subjected to this quantitative test could not be determined using readily available quoted Level 1 inputs or Level 2 inputs that were observable in active markets. Therefore, we used a royalty relief approach, to estimate the fair value of the indefinite-lived intangible assets, using Level 3 inputs. This method also required us to use significant estimates and judgmental factors. The key estimates and factors used in the valuation model included revenue growth rates, as well as industry and market based terminal growth rates, inputs to the weighted-average cost of capital used to discount future cash flows, and determined royalty rates. As a result of the impairment tests performed during 2014 and 2013, we determined that an impairment was not required.

There is a possibility that our goodwill and other intangible assets, particularly in our Communications Systems business, could be impaired should there be a significant change in our internal forecasts and other assumptions we use in our impairment analysis.

During 2014 and 2013, we also evaluated certain fixed assets for impairment utilizing valuation methods that are classified as Level 3 inputs. Based upon the results of this evaluation, no material impairment was indicated.

d. Goodwill

The following table summarizes the goodwill activity by segment for the years ended December 31, 2014 and 2013:

	Battery & Energy Products			Communi- cations Systems		Total
Balance – January 1, 2013	$	4,851		$	11,493	$	16,344
Effect of foreign currency translation		75			—		75
Balance – December 31, 2013		4,926			11,493		16,419
Effect of foreign currency translation		(12	)		—		(12	)
Balance – December 31, 2014	$	4,914		$	11,493	$	16,407

e. Other Intangible Assets

The composition of intangible assets was:

	December 31, 2014
	Cost		Accumulated Amortization		Net
Trademarks	$	3,567	$	—	$	3,567
Patents and technology		4,509		4,114		395
Customer relationships		4,029		3,679		350
Distributor relationships		391		365		26
Total other intangible assets	$	12,496	$	8,158	$	4,338

	December 31, 2013
	Cost		Accumulated Amortization		Net
Trademarks	$	3,568	$	—	$	3,568
Patents and technology		4,511		3,941		570
Customer relationships		4,033		3,562		471
Distributor relationships		393		356		37
Total other intangible assets	$	12,505	$	7,859	$	4,646

Amortization of intangible assets was included in the following financial statement captions:

	Year ended December 31,
	2014		2013
Research and development expense	$	176	$	223
Selling, general and administrative expense		129		179
Total	$	305	$	402

The change in the cost value of total intangible assets is a result of the effect of foreign currency exchange rate fluctuations.

Note 4 - Operating Leases

12 Months Ended

Dec. 31, 2014

Note 4 - Operating Leases

Operating Leases

Note 4 - Operating Leases

We lease various buildings, machinery, land, automobiles and office equipment. Rental expenses for all operating leases were approximately $775 and $1,029 for the years ended December 31, 2014 and 2013, respectively. Future minimum lease payments under non-cancelable operating leases as of December 31, 2014 are as follows:

2015		2016		2017		2018		2019
$573		$380		$324		$268		$123

- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

+ References+ Details

Note 5 - Debt

12 Months Ended

Dec. 31, 2014

Note 5 - Debt

Note 5 - Debt

Credit Facilities

We are party to a Revolving Credit, Guaranty and Security Agreement (the “Credit Agreement”) and related security agreements with PNC Bank, National Association (“PNC”), which provides us a $20 million secured asset-based revolving credit facility that includes a $1 million letter of credit subfacility (the “Credit Facility”). The Credit Agreement provides that the Credit Facility may be increased with the PNC’s concurrence to $35 million prior to the last six months of the term, and expires on May 24, 2017.

On April 30, 2014, the Company and PNC entered into an amendment (the “Amendment”) to the Credit Agreement. The Amendment permits the Company to commence the Share Repurchase Program described in Note 7 below, provided that (a) the Company is not in default under the Credit Agreement, (b) the Company’s undrawn availability under the Credit Agreement is at least $6 million both prior to and immediately following any repurchase, (c) the Company’s undrawn availability under the Credit Agreement plus domestic unrestricted cash is at least $8 million both prior to and immediately following any repurchase, and (d) the Company uses its unrestricted cash for such repurchases and does not request advances against the Credit Agreement for such purposes.

On October 28, 2014, the Company and PNC entered into a second amendment to the Credit Agreement which modifies the definition of EBITDA in the Credit Agreement to include non-cash stock- based compensation expense.

Our available borrowing limit under the Credit Facility fluctuates from time to time based on a borrowing base formula equal to the sum of up to 85% of eligible accounts receivable plus the least of (a) up to 65% of the eligible inventory and eligible foreign in-transit inventory, (b) up to 85% of the appraised net orderly liquidation value of eligible inventory and eligible foreign in-transit inventory, and (c) $7.5 million, in each case subject to the definitions in the Credit Agreement and reserves required by PNC.

Interest is payable quarterly and will accrue on outstanding indebtedness under the Credit Agreement at the alternate base rate, as defined in the Credit Agreement, plus the applicable margin or at the one, two or three month LIBOR rate plus the applicable margin as selected by us from time to time and listed below.

Quarterly Average Undrawn Borrowing Availability	Applicable Margin for Alternate Base Rate Loans	Applicable Margin for LIBOR Rate Loans
Greater than $8,000,000	1.00%	2.00%
$5,000,000 up to $8,000,000	1.25%	2.25%
Less than $5,000,000	1.50%	2.50%

We must pay a fee on the Credit Facility’s unused availability of 0.375% per annum and customary letter of credit fees in addition to various collateral monitoring and related fees and expenses.

In addition to customary affirmative and negative covenants, we must maintain a fixed charge coverage ratio as defined in the Credit Agreement of 1:15 to 1:00, tested quarterly for the four-quarters then ended. As of December 31, 2014 we were in compliance with all covenants. The Credit Facility is secured by substantially all our assets.

Any outstanding advances must be repaid upon expiration of the term of the Credit Facility. Payments must be made during the term to the extent outstanding advances exceed the maximum amount then permitted to be drawn as advances under the Credit Facility and from the proceeds of certain transactions. Upon the occurrence of an event of default, the outstanding obligations may be accelerated and PNC will have other customary remedies.

As of December 31, 2013, we had $-0- outstanding under the Credit Facility, an applicable interest rate of 2.17%, approximately $12,628 of borrowing capacity in addition to our unrestricted cash on hand of $17,711, and no outstanding letters of credit related to the Credit Facility.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References+ Details

Note 6 - Commitments and Contingencies

12 Months Ended

Dec. 31, 2014

Note 6 - Commitments And Contingencies

Note 6 - Commitments and Contingencies

Note 6 - Commitments and Contingencies

Indemnity

Our organizational documents provide that our directors or officers will be reimbursed for all expenses, to the fullest extent permitted by law arising out of their performance.

Purchase Commitments

As of December 31, 2014, we have made commitments to purchase approximately $402 of production machinery and equipment.

China

Our operating facility in China presents risks including, but not limited to, changes in local regulatory requirements, including changes in labor laws, local wage laws, environmental regulations, taxes and operating licenses, compliance with U.S. regulatory requirements, including the Foreign Corrupt Practices Act, uncertainties as to application and interpretation of local laws and enforcement of contract and intellectual property rights, eminent domain claims, labor disputes, rapid changes in government, economic and political policies, and other various contingencies that are outside of our control. Any such event could depress our earnings and have other material adverse effects on our business, financial condition and results of operations.

Employment Contracts

We have an employment contract with Michael D. Popielec, our President and Chief Executive Officer, which remains in effect until terminated by either party. This agreement provides for a base salary, as adjusted for increases at the discretion of our Board of Directors, and includes incentive bonuses based upon attainment of specified quantitative and qualitative performance goals. This agreement also provides for severance payments in the event of specified events of termination of employment. In addition, this agreement provides for a lump sum payment in the event of termination of employment in connection with a change in control.

As part of our employment commencement process, employees are required to enter into agreements providing for confidentiality of certain information and the assignment of rights to inventions made by them while employed by us. These agreements also contain certain noncompetition and nonsolicitation provisions effective during the employment term and for varying periods thereafter depending on position and location. There can be no assurance that we will be able to enforce these agreements. All of our employees agree to abide by the terms of a Code of Ethics policy that provides for the confidentiality of certain information received during the course of their employment.

Product Warranties

We estimate future costs associated with expected product failure rates, material usage and service costs in the development of our warranty obligations. Warranty reserves are based on historical experience of warranty claims and generally will be estimated as a percentage of sales over the warranty period. In the event the actual results of these items differ from the estimates, an adjustment to the warranty obligation would be recorded. Changes in our product warranty liability during the years ended December 31, 2014 and 2013 were as follows:

	2014			2013
Balance, January 1	$	513		$	607
Accrual for warranties issued		122			20
Settlements made		(259	)		(114	)
Balance, December 31	$	376		$	513

g. Legal Matters –

We are subject to legal proceedings and claims that arise in the normal course of business. We believe that the final disposition of such matters will not have a material adverse effect on our financial position, results of operations or cash flows.

Arista Power Litigation

In September 2011, we initiated an action against Arista Power, Inc. (“Arista”) and our former senior sales and engineering employee, David Modeen (“Modeen”) in the State of New York Supreme Court, County of Wayne, in which we allege that Arista recruited all but one of the members of its executive team from us, subsequently changed and redirected its business to compete directly with us by using our confidential information, and during the summer of 2011, recruited Modeen to become an Arista employee. We allege that, as a result of actions by Arista and Modeen: (i) Modeen breached the terms of his Employee Confidentiality, Non-Disclosure, Non-Compete, Non-Disparagement and Assignment Agreement with us; (ii) Modeen breached certain agreements, duties and obligations he owed us, including to protect and refrain from disclosing our trade secrets and confidential and proprietary information; (iii) Arista’s employment of Modeen will inevitably lead to the disclosure and use of our trade secrets by Arista, in violation of Modeen’s duties and obligations to us; (iv) Arista unlawfully induced Modeen to breach his agreements with and duties and obligations to us; and (v) Arista’s recruitment and employment of Modeen breached a subcontract between Arista and us. We seek damages as determined at trial and preliminary and permanent injunctive relief. The defendants answered the allegations set forth in the Complaint, without asserting any counterclaims.

We initiated the September 2011 Complaint against Arista Power to protect our customers, employees and shareholders from the unauthorized use and theft of our investments in intellectual property, trade secrets and confidential information by Arista and its employees. Protecting our collective intellectual property and know-how, developed at great cost to us to form our competitive position in the marketplace and create value for our shareholders, is a fundamental responsibility of all our employees.

In November 2011, Arista initiated a counterclaim against us, our officers, several of our directors, and one of our employees in the State of New York Supreme Court, County of Monroe, alleging that we and the named defendants violated the terms of a Confidentiality Agreement with Arista and unfairly competed against Arista by unlawfully appropriating Arista’s trade secrets and that as a result of such activity, Arista has incurred damages in excess of $60 million. Arista sought damages, an accounting, and preliminary and permanent injunctive relief.

After various motions and discovery between the parties, amendments to Arista’s Complaint, and pre-trial conferences among the parties and the presiding judge over the time since Arista originally initiated its action, Arista withdrew all its remaining claims against us and our employee on October 31, 2014, and through mutual execution by the parties of a Stipulation of Discontinuance With Prejudice, its case against Ultralife in Monroe County was discontinued.

Our suit against Arista remains in Wayne County, where discovery is ongoing, and we plan to continue to vigorously pursue our complaint against Arista. It is not possible to predict the outcome of this action, whether we will be granted the injunctive relief we seek, nor the monetary amount, if any, which we may be awarded should we prevail.

- Definition

The entire disclosure for commitments and contingencies.

+ References+ Details

Note 7 - Shareholders' Equity

12 Months Ended

Dec. 31, 2014

Note 7 - Shareholders Equity

Note 7 - Shareholders' Equity

Note 7 - Shareholders' Equity

a. Preferred Stock

We have authorized 1,000,000 shares of preferred stock, with a par value of $0.10 per share. At December 31, 2014, no preferred shares were issued or outstanding.

Common Stock

We have authorized 40,000,000 shares of common stock, with a par value of $0.10 per share.

In 2014, we issued 56,898 shares of common stock to our non-employee directors, valued at $210. In 2013, we issued 19,845 shares of common stock to our non-employee directors, valued at $73.

Treasury Stock

At December 31, 2014 and 2013, we had 1,600,731 and 1,372,757 shares of treasury stock outstanding, with a cost of $8,420 and $7,658, respectively. On April 28, 2014, the Company’s Board of Directors approved a share repurchase program (the “Share Repurchase Program”) which became effective on May 1, 2014, under which the Company has the authorization to repurchase up to 1.8 million shares of its outstanding common stock over a period not to exceed twelve months. Share repurchases are made in accordance with SEC Rule 10b-18 using a variety of methods, which may include open market purchases, privately negotiated transactions and block trades, or any combination of such methods, in accordance with applicable insider trading and other securities laws and regulations. The timing, manner, price and amount of any repurchase will be determined at our discretion and the Share Repurchase Program may be suspended, terminated or modified by us at any time and for any reason. The Share Repurchase Program does not obligate us to repurchase any specific number of shares.

In 2014, we repurchased a total of 227,974 shares of our common stock for an aggregate consideration of $762, of which we repurchased 216,754 shares under the Share Repurchase Program for an aggregate amount of $722.

d. Stock Options

We have various stock-based employee compensation plans, for which compensation cost is recognized in the financial statements. The cost is measured at the grant date, based on the fair value of the award, and is recognized as an expense over the employee’s requisite service period (generally the vesting period of the equity award).

Our shareholders have approved various equity-based plans that permit the grant of stock options, restricted stock and other equity-based awards. In addition, our shareholders have approved the grant of stock options outside of these plans.

In June 2004, our shareholders adopted the 2004 Long-Term Incentive Plan (“2004 LTIP”) pursuant to which we were authorized to issue up to 750,000 shares of common stock and grant stock options, restricted stock awards, stock appreciation rights and other stock-based awards. Through shareholder approved amendments to the LTIP in 2006, 2008, 2011, and 2013, the total number of authorized under the LTIP increased to 2,900,000.

In June 2014, our shareholders approved the 2014 Long-Term Incentive Plan (“2014 LTIP”) as the successor plan to the 2004 LTIP which expired on June 10, 2014. Under the 2014 LTIP, a total of 1,750,000 shares of Common Stock will be available for grant of awards. However, of the total number of shares of common stock available for awards under the 2014 LTIP, no more than 800,000 shares of Common Stock may be used for awards other than stock options and stock appreciation rights. Grants under the 2014 LTIP may be awarded through June 2, 2024.

Stock options granted under the LTIPs are either Incentive Stock Options (“ISOs”) or Non-Qualified Stock Options (“NQSOs”). Key employees are eligible to receive ISOs and NQSOs; however, directors and consultants are eligible to receive only NQSOs. Most ISOs vest over a three- or five-year period and expire on the sixth or seventh anniversary of the grant date. All NQSOs issued to non-employee directors vest immediately and expire on either the sixth or seventh anniversary of the grant date. Some NQSOs issued to non-employees vest immediately and expire within three years; others have the same vesting characteristics as options given to employees. As of December 31, 2014, there were 2,006,122 stock options outstanding under the 2004 LTIP. No options have yet been granted under the 2014 LTIP.

On March 7, 2008, in connection with his becoming employed by us, we granted our Chief Financial Officer and Treasurer, Philip A. Fain, an option to purchase 50,000 shares of common stock at $12.74 per share outside of any of our equity-based compensation plans. The option is fully vested and expired on March 7, 2015.

On December 30, 2010, pursuant to the terms of his employment agreement, we granted our President and Chief Executive Officer, Michael D. Popielec, options to purchase shares of common stock under the 2004 LTIP as follows: (i) 50,000 shares at $6.42, vesting in annual increments of 12,500 shares over a four-year period commencing December 30, 2011; (ii) 250,000 shares at $6.42, vesting in annual increments of 62,500 shares over a four-year period commencing December 30, 2011; (iii) 200,000 shares at $10.00, with vesting to begin on the date the stock reaches a closing price of $10.00 per share for 15 trading days within a 30-day trading period, with such vesting in annual increments of 50,000 shares over the four anniversary dates of that date; and (iv) 200,000 shares at $15.00, with vesting to begin on the date the stock reaches a closing price of $15.00 per share for 15 trading days within a 30-day trading period, with such vesting in annual increments of 50,000 shares over the four anniversary dates of that date. All such options in items (i) and (ii) shall expire on December 30, 2017. All such options in items (iii) and (iv) shall expire as of the later of December 30, 2017 and five years after the initial vesting commences, but in no event later than December 30, 2020. The options set forth in items (ii), (iii) and (iv) were subject to shareholder approval of an amendment to the 2004 LTIP, which approval was obtained on June 7, 2011.

On January 3, 2011, pursuant to the terms of his employment agreement, we granted our President and Chief Executive Officer, Michael D. Popielec, an option to purchase 50,000 shares of common stock at $6.58 under the 2004 LTIP. The option vests in annual increments of 12,500 shares over a four-year period commencing December 30, 2011. The option expires on December 30, 2017.

We recorded compensation cost related to stock options of $614 and $774 for the years ended December 31, 2014 and 2013, respectively. As of December 31, 2014, there was $381 of total unrecognized compensation costs related to outstanding stock options, which is expected to be recognized over a weighted average period of 1.4 years.

We use the Black-Scholes option-pricing model to estimate fair value of stock-based awards. The following weighted average assumptions were used to value options granted during the years ended December 31, 2014 and 2013:

	Years Ended December 31,
	2014			2013
Risk-free interest rate		1.10	%		0.78	%
Volatility factor		50.70	%		61.94	%
Dividends		0.00	%		0.00	%
Weighted average expected life (years)		4.15			4.06
Forfeiture rate		13.8	%		12.33	%

We used a Monte Carlo simulation option-pricing model to estimate the fair value of market performance stock-based awards, of which there were no new awards in the years ended December 31, 2014 or 2013.

We calculate expected volatility for stock options by taking an average of historical volatility over the past five years and a computation of implied volatility. The computation of expected term was determined based on historical experience of similar awards, giving consideration to the contractual terms of the stock-based awards and vesting schedules. The interest rate for periods within the contractual life of the award is based on the U.S. Treasury yield in effect at the time of grant. Forfeiture rates are calculated by dividing unvested shares forfeited by beginning shares outstanding. The pre-vesting forfeiture rate is calculated yearly and is determined using a historical twelve-quarter rolling average of the forfeiture rates.

The following tables summarize data for the stock options issued by us:

Year Ended December 31, 2014
	Number of Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Shares under option – January 1		2,131,622		$	6.99
Options granted		252,500			3.94
Options exercised		(3,067	)		3.67
Options forfeited or expired		(324,933	)		6.77
Shares under option – December 31		2,056,122		$	6.66		3.80	$	—
Vested and expected to vest -
December 31		1,957,633		$	5.33		3.70	$	—

Options exercisable – December 31		1,296,619		$	5.63		3.02	$	—

Year Ended December 31, 2013
	Number of Shares			Weighted Average Exercise Price Per Share
Shares under option – January 1		2,211,488		$	7.47
Options granted		228,000			3.60
Options exercised		(3,000	)		3.91
Options forfeited or expired		(304,866	)		7.94
Shares under option – December 31		2,131,622		$	6.99

Options exercisable – December 31		1,107,116		$	6.32

The following table represents additional information about stock options outstanding at December 31, 2014:

		Option outstanding						Options exercisable
Range of Exercise Prices		Number of Outstanding Options – December 31, 2014		Weighted-Average Remaining Contractual Life		Weighted- Average Exercise Price		Number of Options Exercisable at December 31, 2014		Weighted- Average Exercise Price
	$3.22 - $3.99		654,700		4.64	$	3.79		296,863	$	3.74
	$4.00 - $4.99		417,750		3.45	$	4.44		416,084		4.44
	$5.00 - $9.99		488,600		3.00	$	6.44		488,600		6.44
	$10.00 - $15.00		495,072		3.78	$	12.52		95,072		12.62

	$3.22 - $15.00		2,056,122		3.80	$	6.66		1,296,619	$	5.63

The weighted average fair value of options granted during the years ended December 31, 2014 and 2013 was $1.60 and $1.70, respectively. The total intrinsic value of options (which is the amount by which the stock price exceeded the exercise price of the options on the date of exercise) exercised during the years ended December 31, 2014 and 2013 was $3 and $1, respectively.

Cash flows from excess tax benefits are classified as a part of cash flows from financing activities. Excess tax benefits are realized tax benefits from tax deductions for exercised options in excess of the deferred tax asset attributable to stock compensation costs for such options. We did not record any excess tax benefits in 2014 or 2013. Cash received from option exercises under our stock-based compensation plans for the years ended December 31, 4nd 2013 was $11 and $12, respectively.

e. Restricted Stock Awards

On January 29, 2013, we granted 120,000 contingent restricted stock units to our President and Chief Executive Officer, Michael D. Popielec, subject to shareholder approval, which was obtained on June 4, 2013, which vest as follows: (i) 30,000 shares of our common stock will vest on the later of January 1, 2014 or the date when our common stock first reaches a closing price of $4.00 per share for 15 trading days in a 30 trading day period; (ii) 30,000 shares of our common stock will vest on the later of January 1, 2014 or the date when our common stock first reaches a closing price of $5.00 per share for 15 trading days in a 30 trading day period; (iii) 30,000 shares of our common stock will vest on the later of January 1, 2015 or the date when our common stock first reaches a closing price of $4.00 per share for 15 trading days in a 30 trading day period; and (iv) 30,000 shares of our common stock will vest on the later of January 1, 2015 or the date when our common stock first reaches a closing price of $5.00 per share for 15 trading days in a 30 trading day period.

The restricted stock units described in (i) and (iii) had achieved their closing price condition prior to shareholder approval and were valued at the closing price on the date of grant. The restricted stock units described in (ii) and (iv) had not yet achieved their closing price conditions and were valued utilizing a Monte Carlo simulation to determine fair value and the derived service period. The weighted average assumptions utilized in this simulation included the risk-free interest rate of 0.21%, volatility of 59.08% and no dividend payouts. The weighted average fair value per share was estimated at $3.62 for an aggregate value of $434. Of this amount, $150 and $284 were recognized in selling, general and administrative expenses in the years ended December 31, 2014 and 2013, respectively.

During 2014, we awarded 49,200 restricted stock units under the 2014 LTIP to certain key employees. These units vest over three years and we estimated their weighted average grant date fair value to be $3.24 per share. $29 of expense was recorded in 2014 relating to these units. At December 31, 2014, there was $130 of unrecognized compensation expense related to restricted stock grants.

f. Reserved Shares

We have reserved 3,879,104 shares of common stock under the various stock option plans, warrants and restricted stock awards as of December 31, 2014.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29-31)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

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+ Details

Note 8 - Income Taxes

12 Months Ended

Dec. 31, 2014

Note 8 - Income Taxes

Note 8 - Income Taxes

Note 8 - Income Taxes

Our income tax provision (benefit) consists of:

	Years Ended December 31,
	2014			2013
Current:
Federal	$	—		$	—
State		12			—
Foreign		65			94
		77			94
Deferred:
Federal		220			220
State		—			—
Foreign		(29	)		(75	)
		191			145
Total income tax provision (benefit)	$	268		$	239

The income tax provision (benefit) related to discontinued operations was immaterial in both years.

The deferred tax provision in both 2014 and 2013 is principally a result of the increase in the net deferred tax liability related to deferred tax liabilities generated from goodwill and certain intangible assets that cannot be predicted to reverse for book purposes during our loss carryforward periods.

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amount used for income tax purposes. Significant components of our deferred tax liabilities and assets are as follows:

	December 31,
	2014			2013
Deferred tax liabilities:
Property, plant and equipment	$	—		$	232
Intangible assets		4,462			4,242
Total deferred tax liabilities		4,462			4,474

Deferred tax assets:
Property, plant and equipment		88			—
Net operating loss carryforwards		20,164			18,976
Tax credit carryforwards		1,455			1,380
Intangible assets		3,841			4,266
Accrued expenses, reserves and other		2,509			2,984
Total deferred tax assets		28,057			27,606
Valuation allowance for deferred tax assets		(27,951	)		(27,292	)
Net deferred tax assets		106			314

Net deferred tax liabilities	$	4,356		$	4,160

Net deferred tax liabilities is comprised of the following balance sheet amounts:

	Years Ended December 31,
	2014			2013

Current deferred tax assets	$	106		$	91
Current deferred tax liabilities		—			(9	)
Non-current deferred tax liabilities		(4,462	)		(4,251	)
	$	(4,356	)	$	(4,160	)

The valuation allowance for deferred tax assets increased $659 and $1,041 in the years ended December 31, 2014 and 2013, respectively.

In 2014 and 2013, in the U.S. and the U.K., we continue to report a valuation allowance for our deferred tax assets that cannot be offset by reversing temporary differences. We continue to conclude that, based on historical factors, it is more likely than not that we will not fully utilize our U.S. and U.K. NOLs that have accumulated over time. The recognition of a valuation allowance on our deferred tax assets results from our evaluation of all available evidence, both positive and negative. The assessment of the realizability of the NOLs is based on a number of factors including, our history of net operating losses, the volatility of our earnings, our historical operating volatility, our historical inability to accurately forecast earnings for future periods and the continued uncertainty of the general business climate as of the end of 2014. We believe that these historical factors represent negative evidence sufficient to conclude that we should record a full valuation allowance against our deferred tax assets. In both 2014 and 2013, we have not recorded a valuation allowance against our foreign deferred tax assets as we believe that it is more likely than not that they will be realized. We continually assess the carrying value of this asset based on relevant accounting standards.

As of December 31, 2014, we have foreign and domestic NOLs and credit carryforwards totaling approximately $65,900 and $1,400, respectively, available to reduce future taxable income. Included in our NOL carryforward are foreign loss carryforwards of approximately $12,400 which can be carried forward indefinitely. The domestic NOL carryforward of $53,500 beginning in 2019, through 2034. The domestic NOL carryforward includes approximately $2,900 for which a benefit will be recorded in capital in excess of par value when realized.

For financial reporting purposes, income (loss) from continuing operations before income taxes is as follows:

	Years Ended December 31,
	2014			2013
United States	$	(1,808	)	$	(875	)
Foreign		6			26
	$	(1,802	)	$	(849	)

There are no undistributed earnings of our foreign subsidiaries, at December 31, 2014 or 2013.

The provision for income taxes differs from the amount of income tax determined by applying the applicable U.S. statutory federal income tax rate to income (loss) from continuing operations before income taxes as follows:

	Years Ended December 31,
	2014			2013

Statutory income tax rate		34.0	%		34.0	%
(Increase) decrease in tax provision resulting from:
Equity compensation		(12.9	)		(38.6	)
Income tax credits		4.2			13.9
Foreign tax rates		(1.9	)		(1.2	)
Valuation allowance		(36.6	)		(34.2	)
Other		(1.7	)		(2.1	)
Effective income tax rate		(14.9	%)		(28.2	%)

Accounting for Uncertainty in Income Taxes

Our unrecognized tax benefits related to uncertain tax positions at December 31, 2014 relate to Federal and various state jurisdictions. The following table summarizes the activity related to our unrecognized tax benefits:

	Years Ended December 31,
	2014		2013
Balance – beginning of year	$	7,296	$	7,508
Increases related to current year tax positions		—		—
Increases related to prior year tax positions		—		—
Decreases related to prior year tax positions		—		(212	)
Expiration of statute of limitations for assessment of taxes		—		—
Settlements with taxing authorities		—		—
Balance – end of year	$	7,296	$	7,296

The total unrecognized tax benefit balances at December 31, 2013 was comprised of tax benefits that, if recognized, would result in a deferred tax asset and a corresponding increase in our valuation allowance. As a result, because the benefit would be offset by an increase in the valuation allowance, there would be no net effect on our effective tax rate or income tax provision.

We are not required to accrue interest and penalties as the unrecognized tax benefits have been recorded as a decrease in our NOL. Interest and penalties would begin to accrue in the period in which the NOLs related to the uncertain tax positions are utilized. We do not expect our unrecognized tax benefits to change significantly over the next twelve months.

As a result of our operations, we file income tax returns in various jurisdictions including U.S. federal, U.S. state and foreign jurisdictions. We are routinely subject to examination by taxing authorities in these various jurisdictions. Our U.S. tax matters for the years 2001 through 2014 remain subject to examination by the Internal Revenue Service (“IRS”) due to our NOL carryforwards. Our U.S. tax matters for the years 2001 through 2014 remain subject to examination by various state and local tax jurisdictions due to our NOL carryforwards. Our tax matters for the years 2008 through 2013 remain subject to examination by the respective foreign tax jurisdiction authorities. The IRS is examining our U.S. income tax returns through 2013.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References+ Details

Note 10 - Business Segment Information

12 Months Ended

Dec. 31, 2014

Note 10 - Business Segment Information

Note 10 - Business Segment Information

Note 10 - Business Segment Information

We report our results in two operating segments: Battery & Energy Products and Communications Systems. The Battery & Energy Products segment includes: lithium 9-volt, cylindrical and various other non-rechargeable batteries, in addition to rechargeable batteries, uninterruptable power supplies, charging systems and accessories. The Communications Systems segment includes: RF amplifiers, power supplies, cable and connector assemblies, amplified speakers, equipment mounts, case equipment, integrated communication system kits and communications and electronics systems design. We believe that reporting performance at the gross profit level is the best indicator of segment performance. As such we report segment performance at the gross profit level and operating expenses as Corporate charges.

2014:

	Battery & Energy Products		Communi- cations Systems		Discontinued Operations			Corporate			Total
Revenue	$	56,772	$	9,722	$	—		$	—		$	66,494
Segment contribution		15,516		3,834		—			(20,793	)		(1,443	)
Interest expense, net									(205	)		(205	)
Miscellaneous									(154	)		(154	)
Income tax provision									(268	)		(268	)
Income (loss) from discontinued operations						(61	)					(61	)
Noncontrolling interest									15			15
Net loss attributable to Ultralife											$	(2,116	)

Total assets	$	38,415	$	29,056				$	20,151		$	87,622
Capital expenditures		1,400		1,066					206			2,672
Goodwill		4,914		11,493								16,407
Depreciation and amortization		2,089		89					955			3,133
Stock-based compensation		28		4					971			1,003

2013:

	Battery & Energy Products		Communi- cations Systems		Discontinued Operations			Corporate			Total
Revenue	$	57,077	$	21,758	$	—		$	—		$	78,835
Segment contribution		14,338		8,283		—			(23,245	)		(624	)
Interest expense, net									(199	)		(199	)
Miscellaneous									(26	)		(26	)
Income tax provision									(239	)		(239	)
Income (loss) from discontinued operations						128						128
Noncontrolling interest									34			34
Net loss attributable to Ultralife											$	(926	)

Total assets	$	40,851	$	30,068				$	19,275		$	90,194
Capital expenditures		635		131								766
Goodwill		4,926		11,493								16,419
Depreciation and amortization		2,076		127					1,156			3,359
Stock-based compensation		20		12		(7	)		1,106			1,131

U.S. and Non-U.S. Revenue Information (in millions)¹:

2014:	Total Revenue		United States			Non-United States
Battery & Energy Products	$	56.8	$	30.7		$	26.1
Communications Systems		9.7		8.7			1.0
Total	$	66.5	$	39.4		$	27.1
				59	%		41	%

2013:	Total Revenue		United States			Non-United States
Battery & Energy Products	$	57.1	$	33.4		$	23.7
Communications Systems		21.7		16.8			4.9
Total	$	78.8	$	50.2		$	28.6
				64	%		36	%

¹Sales classified to U.S. include shipments to U.S.-based prime contractors which in some cases may serve non-U.S. projects

Long-lived assets (including goodwill and intangible assets) held outside the U.S., principally in China, were $5,153 and $4,749 at December 31, 2014 and 2013, respectively.

Commercial and Government/Defense Revenue Information:

2014:	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	56.8	$	35.3		$	21.5
Communications Systems		9.7		—			9.7
Total	$	66.5	$	35.3		$	31.2
				53	%		47	%

2013:	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	57.1	$	26.6		$	30.5
Communications Systems		21.7		—			21.7
Total	$	78.8	$	26.6		$	52.2
				34	%		66	%

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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+ Details

Note 11 - Fire at Manufacturing Facility

12 Months Ended

Dec. 31, 2014

Note 11 - Fire At Manufacturing Facility

Note 11 - Fire at Manufacturing Facility

Note 11 - Fire at Manufacturing Facility

In June 2011, we experienced a fire that damaged certain inventory and machinery and equipment at our facility in China. The fire occurred after business hours and was fully extinguished quickly with no injuries, and the plant was back in full operation shortly thereafter with no significant disruption in supply or service to customers. We maintain adequate insurance coverage for this operation.

The total amount of the loss pertaining to assets and the related expenses was approximately $1,589, including damaged inventory, business interruption and lost profits. Previous payments received against the loss claim total approximately $1,286, and no gain or loss has been recognized upon receipt of these partial payments. As of December 31, 2014, we reflect a receivable from the insurance company relating to this claim of $184, which is net of our deductible of approximately $132, and represents additional proceeds we expect to receive when the insurer finalizes the claim.

Accounting Policies, by Policy (Policies)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Principles of Consolidation

Operations of RedBlack Communications, Inc. (“RedBlack”), our divested company and certain components of UK operations are reported as discontinued operations.

Use of Estimates

Management's Use of Judgment and Estimates

Reclassifications

Reclassifications

Certain items previously reported in specific financial statement captions have been reclassified to conform to the current presentation.

Cash and Cash Equivalents

Accounts Receivable and Allowance for Doubtful Accounts

Changes in our allowance for doubtful accounts during the years ended December 31, 2014 and 2013 were as follows:

		2014		2013
Balance at beginning of year	$	288	$	322
Amounts charged to expense		52		29
Net write-offs (recoveries)		—		(63	)
Total	$	340	$	288

Inventories

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Estimated useful lives are as follows:

Buildings 10 – 20 years

Machinery and Equipment 5 – 10 years

Furniture and Fixtures 3 – 10 years

Computer Hardware and Software 3 – 5 years

Leasehold Improvements Lesser of useful life or lease term

Long-Lived Assets, Goodwill and Intangibles

Long-Lived Assets, Goodwill and Intangibles

There were no impairments of goodwill and intangible assets with indefinite lives in the years ended December 31, 2014 and 2013.

Future amortization expense of amortizable intangible assets will be approximately $233, $167, $122, $86 and $63 for the fiscal years ending December 31, 2015 through 2019, respectively.

Translation of Foreign Currency

Translation of Foreign Currency

Revenue Recognition

Revenue Recognition

Warranty Reserves

Warranty Reserves

Shipping and Handling Costs

Shipping and Handling Costs

Costs incurred by us related to shipping and handling are included in cost of products sold. Amounts charged to customers pertaining to these costs are reflected as revenue.

Advertising Expenses

Advertising Expenses

Research and Development

Research and Development

Environmental Costs

Environmental Costs

Income Taxes

Income Taxes

Concentration Related to Customers and Suppliers

Concentration Related to Customers and Suppliers

Fair Value Measurements and Disclosures

Fair Value Measurements and Disclosures

Level 1:

Quoted prices in active markets for identical assets or liabilities.

Level 2:

Level 3:

Unobservable inputs supported by little or no market activity that are significant to the fair value of the assets or liabilities.

Earnings (Loss) Per Share

Earnings (Loss) Per Share

Stock-Based Compensation

Stock-Based Compensation

Segment Reporting

Segment Reporting

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Note 3 - Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2014

Note 3 - Supplemental Balance Sheet Information

Inventory

	December 31,
	2014		2013
Raw materials	$	15,100	$	16,239
Work in process		1,489		1,674
Finished products		9,497		8,140
Total	$	26,086	$	26,053

Major classes of property, plant and equipment

	December 31,
	2014			2013
Land	$	123		$	123
Buildings and leasehold improvements		7,437			7,412
Machinery and equipment		48,054			47,405
Furniture and fixtures		1,811			1,866
Computer hardware and software		4,452			4,247
Construction in progress		1,351			1,073
		63,228			62,126
Less – Accumulated depreciation		(53,416	)		(51,924	)
Total	$	9,812		$	10,202

Goodwill activity by segment

	Battery & Energy Products			Communi- cations Systems		Total
Balance – January 1, 2013	$	4,851		$	11,493	$	16,344
Effect of foreign currency translation		75			—		75
Balance – December 31, 2013		4,926			11,493		16,419
Effect of foreign currency translation		(12	)		—		(12	)
Balance – December 31, 2014	$	4,914		$	11,493	$	16,407

Composition of intangible assets

	December 31, 2014
	Cost		Accumulated Amortization		Net
Trademarks	$	3,567	$	—	$	3,567
Patents and technology		4,509		4,114		395
Customer relationships		4,029		3,679		350
Distributor relationships		391		365		26
Total other intangible assets	$	12,496	$	8,158	$	4,338

	December 31, 2013
	Cost		Accumulated Amortization		Net
Trademarks	$	3,568	$	—	$	3,568
Patents and technology		4,511		3,941		570
Customer relationships		4,033		3,562		471
Distributor relationships		393		356		37
Total other intangible assets	$	12,505	$	7,859	$	4,646

Amortization of intangible assets

	Year ended December 31,
	2014		2013
Research and development expense	$	176	$	223
Selling, general and administrative expense		129		179
Total	$	305	$	402

Note 7 - Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Dec. 31, 2013

Note 7 - Shareholders Equity

Option assumptions

	Years Ended December 31,
	2014			2013
Risk-free interest rate		1.10	%		0.78	%
Volatility factor		50.70	%		61.94	%
Dividends		0.00	%		0.00	%
Weighted average expected life (years)		4.15			4.06
Forfeiture rate		13.8	%		12.33	%

Stock option activity

Year Ended December 31, 2014
	Number of Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Shares under option – January 1		2,131,622		$	6.99
Options granted		252,500			3.94
Options exercised		(3,067	)		3.67
Options forfeited or expired		(324,933	)		6.77
Shares under option – December 31		2,056,122		$	6.66		3.80	$	—
Vested and expected to vest -
December 31		1,957,633		$	5.33		3.70	$	—

Options exercisable – December 31		1,296,619		$	5.63		3.02	$	—

Year Ended December 31, 2013
	Number of Shares			Weighted Average Exercise Price Per Share
Shares under option – January 1		2,211,488		$	7.47
Options granted		228,000			3.60
Options exercised		(3,000	)		3.91
Options forfeited or expired		(304,866	)		7.94
Shares under option – December 31		2,131,622		$	6.99

Options exercisable – December 31		1,107,116		$	6.32

Options - range of exercise prices

		Option outstanding						Options exercisable
Range of Exercise Prices		Number of Outstanding Options – December 31, 2014		Weighted-Average Remaining Contractual Life		Weighted- Average Exercise Price		Number of Options Exercisable at December 31, 2014		Weighted- Average Exercise Price
	$3.22 - $3.99		654,700		4.64	$	3.79		296,863	$	3.74
	$4.00 - $4.99		417,750		3.45	$	4.44		416,084		4.44
	$5.00 - $9.99		488,600		3.00	$	6.44		488,600		6.44
	$10.00 - $15.00		495,072		3.78	$	12.52		95,072		12.62

	$3.22 - $15.00		2,056,122		3.80	$	6.66		1,296,619	$	5.63

Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Note 8 - Income Taxes

Income tax provision

	Years Ended December 31,
	2014			2013
Current:
Federal	$	—		$	—
State		12			—
Foreign		65			94
		77			94
Deferred:
Federal		220			220
State		—			—
Foreign		(29	)		(75	)
		191			145
Total income tax provision (benefit)	$	268		$	239

Deferred income taxes

	December 31,
	2014			2013
Deferred tax liabilities:
Property, plant and equipment	$	—		$	232
Intangible assets		4,462			4,242
Total deferred tax liabilities		4,462			4,474

Deferred tax assets:
Property, plant and equipment		88			—
Net operating loss carryforwards		20,164			18,976
Tax credit carryforwards		1,455			1,380
Intangible assets		3,841			4,266
Accrued expenses, reserves and other		2,509			2,984
Total deferred tax assets		28,057			27,606
Valuation allowance for deferred tax assets		(27,951	)		(27,292	)
Net deferred tax assets		106			314

Net deferred tax liabilities	$	4,356		$	4,160

Net deferred tax liabilities

	Years Ended December 31,
	2014			2013

Current deferred tax assets	$	106		$	91
Current deferred tax liabilities		—			(9	)
Non-current deferred tax liabilities		(4,462	)		(4,242	)
	$	(4,356	)	$	(4,160	)

Loss from continuing operations

	Years Ended December 31,
	2014			2013
United States	$	(1,808	)	$	(875	)
Foreign		6			26
	$	(1,802	)	$	(849	)

Income tax rate reconciliation

	Years Ended December 31,
	2014			2013

Statutory income tax rate		34.0	%		34.0	%
(Increase) decrease in tax provision resulting from:
Equity compensation		(12.9	)		(38.6	)
Income tax credits		4.2			13.9
Foreign tax rates		(1.9	)		(1.2	)
Valuation allowance		(36.6	)		(34.2	)
Other		(1.7	)		(2.1	)
Effective income tax rate		(14.9	%)		(28.2	%)

Uncertainty in income taxes

	Years Ended December 31,
	2014		2013
Balance – beginning of year	$	7,296	$	7,508
Increases related to current year tax positions		—		—
Increases related to prior year tax positions		—		—
Decreases related to prior year tax positions		—		(212	)
Expiration of statute of limitations for assessment of taxes		—		—
Settlements with taxing authorities		—		—
Balance – end of year	$	7,296	$	7,296

Note 10 - Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Dec. 31, 2013

Note 10 - Business Segment Information

Business segment information

	Battery & Energy Products		Communi- cations Systems		Discontinued Operations			Corporate			Total
Revenue	$	56,772	$	9,722	$	—		$	—		$	66,494
Segment contribution		15,516		3,834		—			(20,793	)		(1,443	)
Interest expense, net									(205	)		(205	)
Miscellaneous									(154	)		(154	)
Income tax provision									(268	)		(268	)
Income (loss) from discontinued operations						(61	)					(61	)
Noncontrolling interest									15			15
Net loss attributable to Ultralife											$	(2,116	)

Total assets	$	38,415	$	29,056				$	20,151		$	87,622
Capital expenditures		1,400		1,066					206			2,672
Goodwill		4,914		11,493								16,407
Depreciation and amortization		2,089		89					955			3,133
Stock-based compensation		28		4					971			1,003

	Battery & Energy Products		Communi- cations Systems		Discontinued Operations			Corporate			Total
Revenue	$	57,077	$	21,758	$	—		$	—		$	78,835
Segment contribution		14,338		8,283		—			(23,245	)		(624	)
Interest expense, net									(199	)		(199	)
Miscellaneous									(26	)		(26	)
Income tax provision									(239	)		(239	)
Income (loss) from discontinued operations						128						128
Noncontrolling interest									34			34
Net loss attributable to Ultralife											$	(926	)

Total assets	$	40,851	$	30,068				$	19,275		$	90,194
Capital expenditures		635		131								766
Goodwill		4,926		11,493								16,419
Depreciation and amortization		2,076		127					1,156			3,359
Stock-based compensation		20		12		(7	)		1,106			1,131

Domestic and international revenue by segment

2014:	Total Revenue		United States			Non-United States
Battery & Energy Products	$	56.8	$	30.7		$	26.1
Communications Systems		9.7		8.7			1.0
Total	$	66.5	$	39.4		$	27.1
				59	%		41	%

2013:	Total Revenue		United States			Non-United States
Battery & Energy Products	$	57.1	$	33.4		$	23.7
Communications Systems		21.7		16.8			4.9
Total	$	78.8	$	50.2		$	28.6
				64	%		36	%

Sector revenue by segment

2014:	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	56.8	$	35.3		$	21.5
Communications Systems		9.7		—			9.7
Total	$	66.5	$	35.3		$	31.2
				53	%		47	%

2013:	Total Revenue		Commercial			Government/ Defense
Battery & Energy Products	$	57.1	$	26.6		$	30.5
Communications Systems		21.7		—			21.7
Total	$	78.8	$	26.6		$	52.2
				34	%		66	%

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References+ Details

Note 1 - Summary of Operations and Significant Accounting Policies - Allowance for Doubtful Accounts Activity (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 1 - Summary Of Operations And Significant Accounting Policies - Allowance For Doubtful Accounts Activity Details
Balance at beginning of year	$ 288	$ 322
Amounts charged to expense	52	29
Net write-offs (recoveries)	0	(63)
Balance at beginning of year	$ 340	$ 288

Note 1 - Summary of Operations and Significant Accounting Policies (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 1 - Summary Of Operations And Significant Accounting Policies Details Narrative
Impairments of long-lived assets	$ 0	$ 0
Impairments of indefinite lived intangible assets	0	0
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	233
Finite-Lived Intangible Assets, Amortization Expense, Year Two	167
Finite-Lived Intangible Assets, Amortization Expense, Year Three	122
Finite-Lived Intangible Assets, Amortization Expense, Year Four	86
Finite-Lived Intangible Assets, Amortization Expense, Year Five	63
Foreign Currency Transaction Gain (Loss), Realized	235	128
Advertising Expense	43	114
Total research and development spending	5,648	6,262
Customer sponsored R&D included in cost of goods sold	315	403
Revenue recognized relating to customer sponsored R&D	$ 317	$ 403
Significant customer disclosure - revenue from large defense contractor	18.00%	25.00%
Significant customers - trade accounts receivable - largest	16.00%	26.00%
Significant customers - trade accounts receivable - next largest		15.00%
Employee stock options excluded from calculation of diluted earnings per share	2,195,222	2,251,622

Note 2 - Dispositions, Relocations and Exit Activities - New Lease (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Note 2 - Dispositions Relocations And Exit Activities - New Lease Details
New lease term		5 years
Number of rent-free months		2 months
Monthly rent payments - RMB - first three years		$ 117
Monthly rent payments - RMB - last two years		126
Monthly rent payments - first three years		19
Monthly rent payments - last two years		20
Government reimbursement received - China factory move		815
Total estimated expenses of China factory move		1,060
Government reimbursement recognized - China factory move		596
Expenses recognized - China factory move		840
Estimated expenses to be incurred - China factory move	219
Estimated revenue to be recognized - China move	$ 219

Note 3 - Supplemental Balance Sheet Information - Components of Inventory (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 3 - Supplemental Balance Sheet Information - Components Of Inventory Details
Raw materials	$ 15,100	$ 16,239
Work in process	1,489	1,674
Finished products	9,497	8,140
Total	$ 26,086	$ 26,053

Note 3 - Supplemental Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 3 - Supplemental Balance Sheet Information
Land	$ 123	$ 123
Buildings and leasehold improvements	7,437	7,412
Machinery and equipment	48,054	47,405
Furniture and fixtures	1,811	1,866
Computer hardware and software	4,452	4,247
Construction in progress	1,351	1,073
Total	63,228	62,126
Less-Accumulated depreciation	(53,416)	(51,924)
Total	$ 9,812	$ 10,202

Note 3 - Supplemental Balance Sheet Information - Goodwill Activity by Segment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Goodwill - beginning	$ 16,419	$ 16,344
Effect of foreign currency translation	(12)	75
Goodwill - ending	16,407	16,419
Battery [Member]
Goodwill - beginning	4,926	4,851
Effect of foreign currency translation	(142)	75
Goodwill - ending	4,914	4,926
Communications Systems
Goodwill - beginning	11,493	11,493
Effect of foreign currency translation	0	0
Goodwill - ending	$ 11,493	$ 11,493

Note 3 - Supplemental Balance Sheet Information - Composition of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Cost	$ 12,496	$ 12,505
Accumulated Amortization	8,158	7,859
Net	4,338	4,646
Trademarks
Cost	3,567	3,567
Accumulated Amortization	0	0
Net	3,567	3,567
Patents and Technology
Cost	4,509	4,511
Accumulated Amortization	4,114	3,941
Net	395	570
Customer Relationships
Cost	4,029	4,033
Accumulated Amortization	3,679	3,562
Net	350	471
Distributor Relationships
Cost	391	393
Accumulated Amortization	365	356
Net	$ 26	$ 37

Note 4 - Operating Leases - Future Minimum Lease Payments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Note 4 - Operating Leases - Future Minimum Lease Payments Details
2015	$ 573
2016	380
2017	324
2018	268
2019	$ 123

Note 5 - Debt (Details Narrative) (USD $) In Thousands, unless otherwise specified	1 Months Ended	6 Months Ended	12 Months Ended
	May 24, 2013	May 24, 2017	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 5 - Debt Details Narrative
Line of Credit Facility, Maximum Borrowing Capacity			$ 20,000
Letter of credit facility			1,000
Potential Credit Facility Increase (in Dollars)		35,000
Line Of Credit, Maximum Borrowing Capacity, Percentage Of Eligible Accounts Receivable	85.00%
Line Of Credit, Maximum Borrowing Capacity, Percentage Of Eligible Accounts Line Of Credit, Maximum Borrowing Capacity, Percentage Of Book Value Of Eligible Inventory	65.00%
Line Of Credit, Maximum Borrowing Capacity, Percentage Of Appraised Net Orderly Liquidation Value Of Eligible Inventory	85.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.375%
Line of Credit Facility, Amount Outstanding (in Dollars)			0
Line of Credit Facility, Interest Rate at Period End			2.17%
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)			12,628
Cash and Cash Equivalents, at Carrying Value (in Dollars)			$ 17,711	$ 16,066	$ 9,656
Minimum fixed charge coverage ratio			115.00%

Note 6 - Commitments and Contingencies - Warranties (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 6 - Commitments And Contingencies - Warranties Details
Balance, January 1	$ 513	$ 607
Warranties issued	122	20
Settlements made	(259)	(114)
Balance, December 31	$ 376	$ 513

Note 7 - Shareholders' Equity - Stock Option Assumptions (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 7 - Shareholders Equity - Stock Option Assumptions Details
Risk-free interest rate	1.10%	0.78%
Volatility factor	50.70%	61.94%
Dividends	0.00%	0.00%
Weighted average expected life (years)	4 years 54 days	4 years 22 days
Forfeiture rate	13.80%	12.33%

Note 7 - Shareholders' Equity - Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		12 Months Ended
	Jan. 03, 2011	Mar. 07, 2008	Dec. 31, 2014	Dec. 31, 2013	Jun. 02, 2014
Note 7 - Shareholders Equity - Stock Option Activity Details
Shares under option - beginning			2,131,622	2,211,488	0
Options granted			252,500	228,000
Options exercised			(3,067)	(3,000)
Options forfeited or expired			(324,933)	(304,866)
Shares under option - ending			2,056,122	2,131,622	0
Shares under option - exercisable - ending			1,296,619	1,107,116
Shares under option vested and expected to vest - ending			1,957,633
Weighted average exercise price per share of options outstanding - beginning			$ 6.99	$ 7.47
Weighted average exercise price per share of options granted	50,000	50,000	3.94	3.60
Weighted average exercise price per share of options exercised			$ 3.67	$ 3.91
Weighted average exercise price per share of options forfeited or expired			$ 6.77	$ 7.94
Weighted average exercise price per share of options outstanding - ending			$ 6.66	$ 6.99
Weighted average exercise price per share of options exercisable - ending			$ 5.63	$ 6.32
Weighted average exercise price per share of options vested and expected to vest - ending			$ 5.33
Weighted average remaining contractual term of options outstanding - ending			3 years 292 days
Weighted average remaining contractual term of options exercisable - ending			3 years 256 days
Weighted average remaining contractual term of options vested and expected to vest - ending			3 years 7 days
Shares under option - ending - aggregate intrinsic value			$ 0
Shares exercisable - ending - aggregate intrinsic value			0
Shares vested and expected to vest - aggregate intrinsic value			$ 0

Note 7 - Shareholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		1 Months Ended	12 Months Ended						1 Months Ended			13 Months Ended	1 Months Ended			1 Months Ended				13 Months Ended
	Jan. 03, 2011	Mar. 07, 2008	Dec. 30, 2011	May 01, 2015	Dec. 31, 2014	Dec. 31, 2013	Jun. 02, 2014	Dec. 31, 2012	Jun. 30, 2004 Long Term Incentive Plan [Member]	Jan. 29, 2013 Contingent Restricted Stock Units [Member] President And Chief Executive Officer [Member]	Jan. 29, 2013 Option Grant 2 [Member]	Dec. 30, 2011 Option Grant 2 [Member]	Jan. 29, 2014 Option Grant 2 [Member]	Jan. 29, 2013 Option Grant 4 [Member]	Dec. 30, 2011 Option Grant 4 [Member]	Dec. 30, 2010 Option Grant 4 [Member]	Jan. 29, 2013 Option Grant 3 [Member]	Dec. 30, 2011 Option Grant 3 [Member]	Jan. 29, 2013 Option Grant 1 [Member]	Dec. 30, 2010 Option Grant 1 [Member]	Jan. 29, 2014 Option Grant 1 [Member]
Note 7 - Shareholders' Equity (Details) [Line Items]
Preferred Stock, Shares Authorized					10,000,000	10,000,000
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)					$ 0.1	$ 0.1
Preferred Stock, Shares Issued					0	0
Preferred Stock, Shares Outstanding					0	0
Common Stock, Shares Authorized					40,000,000	40,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)					$ 0.1	$ 0.1
Stock Issued During Period, Shares, Issued for Services					56,898	19,845
Stock Issued During Period, Value, Issued for Services (in Dollars)					$ 210	$ 73
Treasury Stock, Shares					1,600,731	1,372,757
Treasury Stock, Value (in Dollars)					8,420	7,658
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized							1,750,000		750,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years											4 years			4 years			4 years		4 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized for Grants other than Options							800,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number					2,056,122	2,131,622	0	2,211,488
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	50,000	50,000			3.94	3.60				120,000		250,000			200,000			200,000		50,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (2004 LTIP)					2,006,122
Share Price (in Dollars per share)	$ 6.58	$ 12.74										$ 6.42	$ 5.00	$ 5.00		$ 15.00	$ 4.00	$ 10.00	$ 4.00	$ 6.42
Share Based Payment Award, Options, Annual Incremental Vesting	12,500											62,500	30,000	30,000	50,000		30,000	50,000	30,000	12,500
Minimum Share Price Requirement (in Dollars per share)																$ 15.00		$ 10.00
Number of days in period minimum share price requirement											15 days			15 days	15 days		15 days	15 days			15 days
Number Of Days In Period, Minimum Share Price Requirement, Term											30 days			30 days	30 days		30 days	30 days			30 days
Share Based Payment Award, Options, Term			5 years
Share-based Compensation (in Dollars)					1,003	1,131
Share-based compensation relating to options					614	774
Share-based compensation relating to restricted stock units - CEO					150	284
Share-based compensation relating to restricted stock units - others					29
Grant date fair value of restricted stock units awarded					$ 3.24
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)					381
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition					1 year 146 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)					$ 1.6	$ 1.7
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars)					3	1
Proceeds from Stock Options Exercised (in Dollars)					11	12
Stock repurchase plan - shares authorized to be repurchased				1,800,000
Total shares repurchased					227,974	0
Cost of shares repurchased					762	0
Shares repurchased under share repurchase plan					216,754
Shares repurchased under share repurchase plan - value					722
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)					$ 130
Shares of common stock reserved for issuance under all plans					3,879,104

Note 7 - Shareholders' Equity - Options Range of Exercise Prices (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Jun. 02, 2014	Dec. 31, 2013	Dec. 31, 2012
Number of options outstanding	2,056,122	0	2,131,622	2,211,488
Weighted Average Remaining Contractual Life	3 years 292 days
Weighted average exercise price	$ 6.66		$ 6.99	$ 7.47
Number of options exercisable	1,296,619		1,107,116
Weighed average exercise price - exercisable	$ 5.63		$ 6.32
$3.22-$3.99
Number of options outstanding	654,700
Weighted Average Remaining Contractual Life	4 years 234 days
Weighted average exercise price	$ 3.79
Number of options exercisable	296,863
Weighed average exercise price - exercisable	$ 3.74
$4.00-$4.99
Number of options outstanding	417,750
Weighted Average Remaining Contractual Life	3 years 164 days
Weighted average exercise price	$ 4.44
Number of options exercisable	416,084
Weighed average exercise price - exercisable	$ 4.44
$5.00-$9.99
Number of options outstanding	488,600
Weighted Average Remaining Contractual Life	3 years
Weighted average exercise price	$ 6.44
Number of options exercisable	488,600
Weighed average exercise price - exercisable	$ 6.44
$10-$15
Number of options outstanding	495,072
Weighted Average Remaining Contractual Life	3 years 285 days
Weighted average exercise price	$ 12.52
Number of options exercisable	95,072
Weighed average exercise price - exercisable	$ 12.62

Note 8 - Income Taxes - Provison (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 8 - Income Taxes - Provison Details
Current federal tax provision	$ 0	$ 0
Current state tax provision	12	0
Current foreign tax provision	65	94
Total current tax provision	77	94
Deferred federal tax provision	220	220
Deferred state tax provision	0	0
Deferred foreign tax provision (benefit)	(29)	(75)
Total deferred tax provision (benefit)	191	145
Total income tax provision	$ 268	$ 239

Note 8 - Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax liabilities:
Property, Plant and Equipment	$ 0	$ 232
Intangible Assets	4,462	4,242
Total deferred tax liabilities	4,462	4,474
Deferred tax assets:
Property, Plant and Equipment	88	0
Net operating loss carryforwards	20,164	18,976
Tax credit carryforwards	1,455	1,380
Intangible assets	3,841	4,266
Accrued expenses, reserves and other	2,509	2,984
Total deferred tax assets	28,057	27,606
Valuation allowance	(27,951)	(27,292)
Net deferred tax assets	106	314
Net deferred tax liabilities	$ 4,356	$ 4,160

Note 8 - Income Taxes - Net deferred tax liabilities comprised of the following balance sheet accounts (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 8 - Income Taxes - Net Deferred Tax Liabilities Comprised Of Following Balance Sheet Accounts Details
Current deferred tax assets	$ 106	$ 91
Current deferred tax liabilities	0	(9)
Non-current deferred tax liabilities	(4,462)	(4,242)
Net deferred tax liabilities	$ (4,356)	$ (4,160)

- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

+ References+ Details

- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer.

+ References+ Details

Note 8 - Income Taxes - United States and Foreign income loss from continuing operations before income taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 8 - Income Taxes - United States And Foreign Income Loss From Continuing Operations Before Income Taxes Details
United States	$ (1,808)	$ (875)
Foreign	6	26
Loss from continuing operations before income taxes	$ (1,802)	$ (849)

Note 8 - Income Taxes - Effecitve Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 8 - Income Taxes - Effecitve Rate Reconciliation Details
Statutory income tax rate	34.00%	34.00%
(Increase) decrease in tax provision resulting from:
Equity compensation	(12.90%)	(38.60%)
Income tax credits	4.20%	13.90%
Foreign tax rates	(1.90%)	(1.20%)
Valuation allowance	(36.60%)	(34.20%)
Other	(1.70%)	(2.10%)
Effective income tax rates	(14.90%)	(28.20%)

Note 8 - Income Taxes - Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 8 - Income Taxes - Unrecognized Tax Benefits Details
Balance - beginning of year	$ 7,296	$ 7,508
Decreases related to prior year tax positions	0	(212)
Balance - end of year	$ 7,296	$ 7,296

Note 8 - Income Taxes (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 8 - Income Taxes Details Narrative
Increase in valuation allowance for deferred tax assets	$ 659	$ 1,041
Net operating loss carryforward	65,900
Net operating loss carryforward - domestic	53,500
Net operating loss carryforward - foreign	12,400
Tax credit carryforwards	1,400
Net operating loss carryforward for which a benefit will be recorded in capital when realized	$ 2,900

Note 9 - 401k Retirement Benefit Plan (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 9 - 401k Retirement Benefit Plan Details Narrative
Defined Contribution Plan, Employer Matching Contribution, As A Percentage Of Employee's Contribution	50.00%
Defined Contribution Plan, Maximum Employee Contribution Percentage Subject To Employer Matching Contribution	4.00%
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.	2.00%
Employer discretionary contribution	$ 164	$ 99

Note 10 - Business Segment Information - Segment Activity (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue	$ 66,494	$ 78,835
Segment contribution	(1,443)	(624)
Interest expense, net	205	199
Miscellaneous	154	26
Income tax provision	(268)	(239)
Income (loss) from discontinued operations	(61)	128
Noncontrolling interest	(15)	(34)
Net loss attributable to Ultralife	(2,116)	(926)
Total assets	87,642	90,194
Goodwill	16,407	16,419	16,344
Stock-based compensation	1,003	1,131
Corporate
Revenue	0	0
Segment contribution	(20,793)	(23,245)
Interest expense, net	205	199
Miscellaneous	154	26
Income tax provision	268	239
Noncontrolling interest	15	34
Total assets	20,171	19,275
Capital expenditures	206
Depreciation and amortization	955	1,156
Stock-based compensation	971	1,106
DiscontinuedOperations
Revenue	0	0
Segment contribution	0	0
Income (loss) from discontinued operations	(61)	128
Stock-based compensation		(7)
Battery and Energy Products
Revenue	56,772	57,077
Segment contribution	15,516	14,338
Total assets	38,415	40,851
Capital expenditures	1,400	635
Goodwill	4,914	4,926
Depreciation and amortization	2,089	2,076
Stock-based compensation	28	20
Communications Systems
Revenue	9,722	21,758
Segment contribution	3,834	8,283
Total assets	29,056	30,068
Capital expenditures	1,066	131
Goodwill	11,493	11,493
Depreciation and amortization	89	127
Stock-based compensation	$ 4	$ 12

Note 11 - Fire at Manufacturing Facility (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended		12 Months Ended
	Apr. 30, 2013	Jun. 30, 2011	Dec. 31, 2014
Extraordinary and Unusual Items [Abstract]
Business Interruption Loss, Gross		$ 1,589
Proceeds from Insurance Settlement, Operating Activities	1,286
Gain on Business Interruption Insurance Recovery	0
Insurance Settlements Receivable			184
Business Interruption, Insurance Deductible			$ 132

Note 1 - Summary of Operations and Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2014
Buildings [Member] \| Minimum [Member]
Estimated Useful Life	10 years
Buildings [Member] \| Maximum [Member]
Estimated Useful Life	20 years
Machinery And Equipment [Member] \| Minimum [Member]
Estimated Useful Life	5 years
Machinery And Equipment [Member] \| Maximum [Member]
Estimated Useful Life	10 years
Furniture And Fixtures [Member] \| Minimum [Member]
Estimated Useful Life	3 years
Furniture And Fixtures [Member] \| Maximum [Member]
Estimated Useful Life	10 years
Computer Hardware And Software [Member] \| Minimum [Member]
Estimated Useful Life	3 years
Computer Hardware And Software [Member] \| Maximum [Member]
Estimated Useful Life	5 years

Note 3 - Supplemental Balance Sheet Information - Amortization of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Amortization expense	$ 305	$ 402
Research and Development Expense
Amortization expense	176	223
SellingGeneralAndAdministrativeExpenses
Amortization expense	$ 129	$ 179

Note 4 - Operating Leases - Rent Expense (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 4 - Operating Leases - Rent Expense Details Narrative
Rent expense	$ 775	$ 1,029

Note 5 - Debt - Interest Rate Margins (Details)	Dec. 31, 2014
Greater than $8 million \| Alternate Base Rate Loans
Interest Rate Margin on Outstanding Borrowings	1.00%
Greater than $8 million \| LIBOR Rate Loans
Interest Rate Margin on Outstanding Borrowings	2.00%
$5-$8million \| Alternate Base Rate Loans
Interest Rate Margin on Outstanding Borrowings	1.25%
$5-$8million \| LIBOR Rate Loans
Interest Rate Margin on Outstanding Borrowings	2.25%
Less than $5 million \| Alternate Base Rate Loans
Interest Rate Margin on Outstanding Borrowings	1.50%
Less than $5 million \| LIBOR Rate Loans
Interest Rate Margin on Outstanding Borrowings	2.50%