Document And Entity Information
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Other intangible assets
Dividends
Note To Financial Statement Details Textual
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
Federal statutory income tax rate
Significant Accounting Policies
Share-Based Payment Arrangement, Option, Exercise Price Range [Table]
Risk-free interest rate
Note 1 - Summary of Operations and Significant Accounting Policies
Note 2 - Acquisition
Note 3 - Debt
Note 4 - Supplemental Balance Sheet Information
Note 5 - Commitments and Contingencies
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
Prepaid expenses and other current assets
Note 6 - Stock-based Compensation
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
Accounts receivable
Note 7 - Income Taxes
Income Tax Disclosure [Text Block]
Note 8 - Operating Leases
Note 10 - Business Segment Information
Note 1 - Summary of Operations and Significant Accounting Policies - Property, Plant and Equipment (Details)
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
Inventories
Volatility factor
Note 2 - Acquisition - Schedule of Assets Acquired and Liabilities Assumed (Details)
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 2 - Acquisition - Schedule of Intangible Assets Acquired (Details)
Schedule of Maturities of Long-Term Debt [Table Text Block]
Note 3 - Debt - Future Minimum Principal Repayment Obligations (Details)
Note 4 - Supplemental Balance Sheet Information - Schedule of Cash (Details)
Note 5 - Supplemental Balance Sheet Information - Components of Inventory (Details)
Accrued expenses and other current liabilities
Other Liabilities, Current
Weighted average expected life (years) (Year)
Note 5 - Supplemental Balance Sheet Information - Components of Property, Plant and Equipment (Details)
Note 5 - Supplemental Balance Sheet Information - Summary of Goodwill (Details)
Note 4 - Supplemental Balance Sheet Information - Composition of Intangible Assets (Details)
us-gaap_BusinessCombinationConsiderationTransferred1
Business Combination, Consideration Transferred
Note 4 - Supplemental Balance Sheet Information - Amortization of Intangible Assets (Details)
us-gaap_FinitelivedIntangibleAssetsAcquired1
Trade name
Note 5 - Commitments and Contingencies - Changes in Product Warranty Liability (Details)
us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Trade name (Year)
Purchase Commitment, Excluding Long-Term Commitment [Axis]
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Note 6 - Stock-based Compensation - Non-cash Stock Compensation Expense (Details)
Purchase Commitment, Excluding Long-Term Commitment [Domain]
Note 6 - Stock-based Compensation - Stock Option Assumptions (Details)
Note 6 - Stock-based Compensation - Stock Option Activity (Details)
Note 6 - Share-based Compensation - Options Range of Exercise Prices (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 7 - Income Taxes - Income Tax Expense (Details)
Note 7 - Income Taxes - Deferred Tax Assets and Liabilities (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Note 7 - Income Taxes - Net Deferred Tax Liabilities (Details)
Note 7 - Income Taxes - United States and Foreign Income (Loss) From Continuing Operations Before Income Taxes (Details)
Note 7 - Income Taxes - Effective Rate Reconciliation (Details)
Note 7 - Income Taxes - Summary of Income Taxes Paid (Details)
Note 8 - Operating Leases - Lease Cost (Details)
Foreign currency translation adjustments
Note 8 - Operating Leases - Supplement Cash Flow Information Related to Leases (Details)
Note 8 - Operating Leases - Supplemental Balance Sheet Information Related to Leases (Details)
Options vested and expected to vest - weighted average remaining contractual term (Year)
Note 8 - Operating Leases - Future Minimum Lease Payments (Details)
Note 10 - Business Segment Information - Segment Activity (Details)
Note 10 - Business Segment Information - Revenue by Business Segment Sector (Details)
Current portion of long-term debt
Options vested and expected to vest - weighted average exercise price (in dollars per share)
Other comprehensive income (loss):
Options exercisable - aggregate intrinsic value
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Vested and Expected to Vest (in shares)
Options vested and expected to vest - aggregate intrinsic value
Options exercisable – weighted average remaining contractual term (Year)
us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Business Combination, Acquiree's Revenue since Acquisition Date, Actual
us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total stockholders’ equity
Balance
Balance
Options exercisable – aggregate intrinsic value (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Options outstanding - weighted average remaining contractual term (Year)
Options outstanding - aggregate intrinsic value
Shares under option, end of period
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
us-gaap_SecuredDebtCurrent
Secured Debt, Total
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Options outstanding - weighted average exercise price (in dollars per share)
Options outstanding - weighted average exercise price (in dollars per share)
Options forfeited or expired (in dollars per share)
Options granted (in dollars per share)
Schedule of Goodwill [Table Text Block]
Options exercised (in dollars per share)
Goodwill [Table]
Accrued compensation and related benefits
us-gaap_EmployeeRelatedLiabilitiesCurrent
Lessee, Operating Leases [Text Block]
Accounts payable
us-gaap_AccountsPayableCurrent
Revolving Credit Facility [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Shares under option, beginning of period (in shares)
Shares under option, end of period (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted
Construction in process in accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Options forfeited or expired (in shares)
Credit Facility [Axis]
Credit Facility [Domain]
Trademarks [Member]
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Cash, Cash Equivalent, and Investment [Table Text Block]
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Trade Names [Member]
Other Intangible Assets [Member]
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of property, plant and equipment
us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
us-gaap_IncomeTaxesPaidNet
Total income taxes paid, net of refunds
Liabilities [Abstract]
Current liabilities:
Supplemental Balance Sheet Disclosures [Text Block]
Sales Commissions [Policy Text Block]
Disclosure of accounting policy for sales commissions.
Patented Technology [Member]
Total assets
Total assets
Supplemental cash flow information:
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Shareholders' Equity and Share-Based Payments [Text Block]
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Customer Relationships [Member]
Deferred income taxes, net
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Shipping and Handling Costs [Policy Text Block]
Disclosure of accounting policy for the classification of shipping and handling costs, including whether the costs are included in cost of sales or included in other income statement accounts. If shipping and handling fees are significant and are not included in cost of sales, disclosure includes both the amounts of such costs and the line item on the income statement which includes such costs.
Cross-border tax laws:
Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block]
Award Type [Domain]
Business Description and Accounting Policies [Text Block]
Effective Income Tax Rate Reconciliation [Table]
Cross-border tax laws: (Rate)
Net income attributable to Ultralife
(Loss) income attributable to Ultralife Corporation
Award Type [Axis]
us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Accumulated Amortization
us-gaap_FiniteLivedIntangibleAssetsNet
Net
us-gaap_FiniteLivedIntangibleAssetsGross
Cost
Net (loss) income attributable to non-controlling interest
Non-controlling interest
Non-controlling interest
Restricted Stock [Member]
Share-Based Payment Arrangement [Member]
Share-Based Payment Arrangement, Option [Member]
us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Effect of foreign currency translation
Loss Contingencies [Table]
Business Combination [Text Block]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less: Accumulated depreciation
Commitments and Contingencies Disclosure [Text Block]
Property, plant and equipment, net
Property, plant and equipment, net
Goodwill
Balance
Balance
Business Combination [Table]
Property, plant and equipment, gross
Canada Revenue Agency [Member]
Foreign currency translation adjustments adjustments
Net income
Net (loss) income
Debt modification expense
Represents the modification expense on a debt instrument.
Electrochem Solutions, Inc. [Member]
Related to Electrochem Solutions, Inc.
ulbi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherCurrentLiabilities
Accrued expenses and other current liabilities
Amount of accrued expenses and other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.
INVESTING ACTIVITIES:
ulbi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensationAndBenefits
Accrued compensation and related benefits
Amount of accrued compensation and benefits due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
Transaction costs, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to transaction costs nondeductible expenses.
Income tax (benefit) provision
Income Tax Expense (Benefit)
Total income tax (benefit) provision
Income tax provision
US Federal
us-gaap_OperatingExpenses
Total operating expenses
Operating Expenses
us-gaap_DebtInstrumentTerm
Debt Instrument, Term
State and local
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Foreign
us-gaap_IncomeTaxPaidForeignAfterRefundReceived
Cash
us-gaap_Cash
Cash
Defined Contribution Plan [Table]
ulbi_PolicyTable
Stock compensation plan expense
Amendment Flag
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive (loss) income attributable to Ultralife Corporation
City Area Code
Use of Estimates, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
Accounts payable and other liabilities
Reclassification, Comparability Adjustment [Policy Text Block]
Income taxes receivable and payable
Common stock, shares outstanding (in shares)
Balance (in shares)
Balance (in shares)
Current Fiscal Year End Date
Variable lease cost
us-gaap_LeaseCost
Total lease cost
us-gaap_DebtInstrumentInterestRateEffectivePercentage
Debt Instrument, Interest Rate, Effective Percentage
Weighted-average discount rate
Document Fiscal Period Focus
Operating lease cost
Document Fiscal Year Focus
us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Deferred income tax expense
Consolidation, Policy [Policy Text Block]
Lease, Cost [Table Text Block]
dei_DocumentPeriodEndDate
Document Period End Date
Right-of-use assets obtained in exchange for lease liabilities:
us-gaap_IncreaseDecreaseInPrepaidExpense
Prepaid expenses and other assets
Weighted-average remaining lease term (years) (Year)
dei_EntityFileNumber
Entity File Number
dei_EntityEmergingGrowthCompany
Entity Emerging Growth Company
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
dei_DocumentType
Document Type
dei_EntitySmallBusiness
Entity Small Business
dei_EntityShellCompany
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
dei_EntityPublicFloat
Entity Public Float
dei_EntityFilerCategory
Entity Filer Category
Debt Instrument [Axis]
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
Debt Instrument, Name [Domain]
dei_EntityVoluntaryFilers
Entity Voluntary Filers
us-gaap_BusinessCombinationAcquisitionRelatedCosts
Business Combination, Acquisition-Related Cost, Expense
dei_EntityWellKnownSeasonedIssuer
Entity Well-known Seasoned Issuer
Award Timing Disclosures [Line Items]
us-gaap_CapitalizedContractCostGross
Capitalized Contract Cost, Gross
Intangible asset impairment
Intangible asset impairment
us-gaap_GoodwillImpairmentLoss
Goodwill, Impairment Loss
Award Timing, How MNPI Considered [Text Block]
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Entity Tax Identification Number
Entity Central Index Key
Insider Trading Policies and Procedures [Line Items]
dei_EntityRegistrantName
Entity Registrant Name
Stock-based compensation – stock options
Insider Trading Policies and Procedures Adopted [Flag]
Insider Trading Policies and Procedures Adopted [Flag]
Entity [Domain]
Customer Concentration Risk [Member]
Legal Entity [Axis]
dei_EntityAddressAddressLine1
Entity Address, Address Line One
Amortization of intangible assets
Amortization of Intangible Assets
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
dei_EntityAddressCityOrTown
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
dei_EntityAddressPostalZipCode
Entity Address, Postal Zip Code
us-gaap_TreasuryStockCommonValue
Treasury stock - at cost; 4,436,114 shares and 4,436,114 shares, respectively
Entity Address, State or Province
Concentration Risk Type [Axis]
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Concentration Risk Type [Domain]
Material Terms of Trading Arrangement [Text Block]
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
Trading Arrangements, by Individual [Table]
Revenue Benchmark [Member]
us-gaap_IncreaseDecreaseInInventories
Inventories
dei_TradingSymbol
Trading Symbol
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Local Phone Number
Stock Issued During Period, Value, Stock Options Exercised (in shares)
Options exercised (in shares)
us-gaap_TableTextBlock
Notes Tables
Stock option exercises
Certain Communications Systems Products [Member]
Represents certain Communications Systems products.
Selling, general and administrative
Options granted (in shares)
Line of Credit Facility, Lender [Domain]
Raw materials
Line of Credit Facility [Table]
Lender Name [Axis]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Finished goods
Work in process
UNITED STATES
Accumulated deficit
us-gaap_ResearchAndDevelopmentExpense
Research and development
Accumulated other comprehensive loss
Deferred income tax expense
Debt Disclosure [Text Block]
Amortization of financing fees
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Operating lease liability, net of current portion
Schedule of Inventory, Current [Table Text Block]
Cash and Cash Equivalent [Table]
Inventory, Current [Table]
us-gaap_OperatingLeaseLiability
Total operating lease liability
Present value of remaining lease payments
us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]
Current operating lease liability
Other intangible assets, net
Retirement Benefits [Text Block]
Operating lease right-of-use asset
us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total lease payments
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less: Imputed interest
us-gaap_DeferredIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit)
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
2028
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour
2029
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive
2030
Fair Value Measurement, Policy [Policy Text Block]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Trade name
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
Trade name
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Trade name
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2026
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Trade name
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
2027
Segment Reporting, Policy [Policy Text Block]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Trade name
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Other noncurrent assets
Other Assets, Noncurrent
Stock-based compensation
Stock-based compensation
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Lessee, Leases [Policy Text Block]
Business Combination [Policy Text Block]
Earnings Per Share, Policy [Policy Text Block]
Revenues
us-gaap_Revenues
Depreciation and amortization of intangible assets
Operating expenses:
Intangible Asset, Finite-Lived [Table]
Income Tax, Policy [Policy Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Research and Development Expense, Policy [Policy Text Block]
Depreciation
Depreciation
us-gaap_AssetsCurrent
Total current assets
Share-Based Payment Arrangement [Policy Text Block]
Treasury Stock, Common, Shares (in shares)
Common stock – par value $.10 per share; authorized 40,000,000 shares; issued – 21,092,617 shares and 21,069,079 shares, respectively; outstanding – 16,656,503 shares and 16,632,965 shares, respectively
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Common Stock, Shares Authorized (in shares)
Common stock, shares issued (in shares)
Common stock, par value (in dollars per share)
Standard Product Warranty, Policy [Policy Text Block]
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance
us-gaap_DeferredTaxAssetsValuationAllowance
Valuation allowance for deferred tax assets
Deferred Tax Assets, Valuation Allowance
Statistical Measurement [Domain]
Environmental Cost, Expense Policy [Policy Text Block]
Lessee, Lease, Description [Table]
Operating cash flows from operating leases
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Product and Service [Domain]
us-gaap_DeferredTaxAssetsNet
Net deferred tax assets
Statistical Measurement [Axis]
Preferred stock – par value $.10 per share; authorized 1,000,000 shares; none issued
us-gaap_NumberOfReportingUnits
Number of Reporting Units
Deferred Tax Assets, Net
Net deferred tax assets
Preferred Stock, Shares Issued (in shares)
Interest paid
Income taxes paid
KeyBank [Member]
Related to the lender KeyBank.
us-gaap_NoncurrentAssets
Long-Lived Assets
Geographical [Axis]
Goodwill and Intangible Assets, Policy [Policy Text Block]
us-gaap_DeferredTaxAssetsGross
Total deferred tax assets
Geographical [Domain]
Property, Plant and Equipment [Table Text Block]
Preferred Stock, Shares Authorized (in shares)
us-gaap_DeferredIncomeTaxLiabilities
Total deferred tax liabilities
Inventories, net
Total
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Preferred stock, par value (in dollars per share)
Revenues
Research and development
Lessee, Lease, Cash Flow Information [Table Text Block]
Tabular disclosure of cash flow information related lessee's lease .
Customer [Axis]
Inventory reserves
us-gaap_DeferredTaxAssetsInventory
Customer [Domain]
Intangible assets
us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Lessee, Lease, Balance Sheet Information [Table Text Block]
Tabular disclosure of balance sheet information related lessee's lease .
us-gaap_ProductWarrantyAccrualPayments
Settlements made
ulbi_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRestrictedStockRequisiteServicePeriodRecognition
Stock-based compensation – restricted stock
This element represents the amount of recognized equity-based compensation related to restricted stock options during the period.
Accruals for warranties issued
Accrued expenses and other
Useful life (Year)
Non-controlling interest
Construction in Progress [Member]
OPERATING ACTIVITIES:
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Revenue [Policy Text Block]
Statement [Line Items]
Trade accounts receivable, allowance for doubtful accounts
Trade accounts receivable, net of allowance for expected credit losses of $457 and $384, respectively
Furniture and Fixtures [Member]
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Capital in excess of par value
Building and Building Improvements [Member]
Building [Member]
AOCI Attributable to Parent [Member]
Schedule of Product Warranty Liability [Table Text Block]
Land [Member]
Product Warranty Liability [Table]
Interest and financing expense
ulbi_CustomerFundedResearchAndDevelopmentExpenseIncludedInCostOfGoodsSold
Customer Funded Research and Development Expense Included in Cost of Goods Sold
Represents the amount of R&D included in cost of goods sold that is customer funded.
Property, Plant and Equipment, Policy [Policy Text Block]
us-gaap_OtherNonoperatingIncomeExpense
Miscellaneous income
Property, Plant and Equipment [Table]
Other expenses, net
Total other expense, net
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Domain]
ulbi_ResearchAndDevelopmentExpenseGross
Research and Development Expense, Gross
The gross costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.
Tax credit carryforwards
us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Segment Reporting Disclosure [Text Block]
Net operating loss carryforwards
Government & Defense [Member]
Represents information pertaining to the Government and Defense customer.
Revenue, percentage
The percentage of total revenue for the period.
Commercial [Member]
Represents information pertaining to the Commercial customer.
Current assets:
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Cash - Beginning of year
Cash - End of year
Foreign exchange loss, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign exchange loss.
Schedule of Revenues from External Customers by Business Segment Sector [Table Text Block]
Tabular disclosure of material revenue from specific sectors of each business segment.
Inventory, Policy [Policy Text Block]
Assets [Abstract]
Property, Plant and Equipment, Estimated Useful Life [Table Text Block]
The tabular disclosure of estimated useful life for property, plant and equipment.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
INCREASE (DECREASE) IN CASH
us-gaap_Liabilities
Total liabilities
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used in financing activities
Commitments and Contingencies
Effect of exchange rate changes on cash
Effect of exchange rate changes on cash
us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Segment contribution
Operating (loss) income
Operating Income
Other expense (income):
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Contract with Customer, Liability, Revenue Recognized
Prepaid expenses and other current assets
us-gaap_PrepaidExpenseAndOtherAssetsCurrent
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Intangible assets
Cost of products sold
Cost of Revenue
Cost of products sold
Gross profit
Gross profit
Deferred income taxes
Deferred tax liabilities
Consolidation Items [Domain]
Stockholders’ equity:
us-gaap_DeferredTaxLiabilitiesLeasingArrangements
Right of use asset
ulbi_DefinedContributionPlanMaximumEmployeeContributionPercentageSubjectToEmployerMatchingContribution
Defined Contribution Plan, Maximum Employee Contribution Percentage, Subject to Employer Matching Contribution
The maximum employee contribution percentage that is subject to employer matching contribution within a defined contribution plan.
ulbi_DeferredTaxAssetsLeaseLiability
Lease Liability
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liabilities.
Change in functional currency
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to changes in functional currency.
Change in functional currency, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the functional currency.
Consolidation Items [Axis]
Schedule of Net Deferred Tax Liabilities [Table Text Block]
Tabular disclosure of the components of net deferred tax liability recognized in an entity's statement of financial position.
Concentration Risk, Credit Risk, Policy [Policy Text Block]
us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Property, plant and equipment
ulbi_ExtendedProductWarrantyPeriod
Extended Product Warranty, Period
Period for extended product warranty.
Extended Warranty Contracts [Member]
Represents extended warranty contracts.
ulbi_StandardProductWarrantyPeriod
Standard Product Warranty, Period
Period for standard product warranty.
us-gaap_ProductWarrantyAccrual
Accrued warranty obligations – beginning
Accrued warranty obligations – ending
Noncontrolling Interest [Member]
The 2014 Long-term Incentive Plan [Member]
Represents the long-term incentive stockholder's equity compensation plan.
Scenario [Domain]
Range Three [Member]
Represents information pertaining to range three.
Forecast [Member]
Range One [Member]
Represents information pertaining to range one.
Range Two [Member]
Represents information pertaining to range two.
Forfeiture rate
The forfeiture rate assumption that is used in valuing an option on its own shares.
Retained Earnings [Member]
Range Four [Member]
Represents information pertaining to range four.
Proceeds from exercise of stock options
Proceeds from Stock Options Exercised
State
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State
Treasury Stock, Common [Member]
Scenario [Axis]
Foreign
us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Foreign
Additional Paid-in Capital [Member]
Common Stock [Member]
Domestic
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Domestic
Equity Components [Axis]
Equity Component [Domain]
us-gaap_LongTermDebt
Total
Stock, Class of Stock [Table]
us-gaap_CurrentIncomeTaxExpenseBenefit
Current Income Tax Expense (Benefit)
us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
us-gaap_RevenueRemainingPerformanceObligation
Revenue, Remaining Performance Obligation, Amount
Global intangible low-taxed income, percent
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Foreign
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
(Loss) income before income taxes
ulbi_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
Thereafter
Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
State Administration of Taxation, China [Member]
United States
Capital Addition Purchase Commitments [Member]
The amount of capital addition purchase commitments.
Ministry of Finance, India [Member]
dei_IcfrAuditorAttestationFlag
ICFR Auditor Attestation Flag
us-gaap_LineOfCredit
Long-Term Line of Credit, Total
Payment of debt issuance costs
His Majesty's Revenue and Customs (HMRC) [Member]
Inland Revenue, Hong Kong [Member]
State and Local Jurisdiction [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
us-gaap_SecuredDebt
Secured Debt, Total
Internal Revenue Service (IRS) [Member]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Domestic Tax Jurisdiction [Member]
ulbi_DefinedContributionPlanEmployerMatchingContributionFirst3PercentOfMatch
Defined Contribution Plan, Employer Matching Contribution, First 3%, Percent of Match
The percentage that employers match on first 3% of contribution from employee.
Foreign Tax Jurisdiction [Member]
ulbi_DefinedContributionPlanEmployerMatchingContributionNext2PercentOfMatch
Defined Contribution Plan, Employer Matching Contribution, Next 2%, Percent of Match
The percentage that an employer will match on next 2 % of employee contributions.
Document Annual Report
Machinery and Equipment [Member]
Accounts Receivable [Policy Text Block]
The 2024 Long-term Incentive Plan [Member]
In regards to the The 2024 Long-term Incentive Plan.
Nontaxable refund credit
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nontaxable refund credits.
Nontaxable refund credit, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nontaxable refund credits.
Computer Equipment [Member]
Cash and Cash Equivalents, Policy [Policy Text Block]
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Domain]
ulbi_DefinedContributionPlanMaximumEmployeeContributionPercentageSubjectToEmployer50MatchingContribution
Defined Contribution Plan, Maximum Employee Contribution Percentage, Subject to Employer 50% Matching Contribution
The maximum employee contribution percentage that is subject to employer matching 50% of contribution within a defined contribution plan.
Entity Incorporation, State or Country Code
ulbi_NumberOfMajorCustomers
Number of Major Customers
Represents the number of major customers.
Other Foreign Income Tax Authority [Member]
Represents other foreign income tax authorities.
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits, Ending Balance
Accounting Policies [Abstract]
us-gaap_OpenTaxYear
Open Tax Year
Document Transition Report
dei_DocumentFinStmtErrorCorrectionFlag
Document Financial Statement Error Correction [Flag]
Schedule of Income Taxes Paid [Table Text Block]
Tabular disclosure for income taxes paid.
Large Defense Primary Contractor, 1 [Member]
Represents large defense primary contractor 1.
ulbi_EffectiveIncomeTaxRateReconciliationDeductionResearchAndDevelopmentAmount
R&D deduction
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research and development.
Selling, General and Administrative Expenses [Member]
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
ulbi_EffectiveIncomeTaxRateReconciliationDeductionResearchAndDevelopmentPercent
R&D deduction, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research and development deductions.
Awards Other than Stock Options and SARs [Member]
Represents awards other than stock options and SARs.
dei_SecurityExchangeName
Security Exchange Name
dei_Security12bTitle
Title of 12(b) Security
Research and Development Expense [Member]
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Domain]
Capital expenditures
dei_AuditorName
Auditor Name
dei_AuditorFirmId
Auditor Firm ID
dei_AuditorLocation
Auditor Location
Segments [Axis]
Segments [Domain]
us-gaap_TaxCreditCarryforwardAmount
Tax Credit Carryforward, Amount
General Business Tax Credit Carryforward [Member]
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Weighted average shares outstanding – Diluted (in shares)
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name [Domain]
Non-US [Member]
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Borrowings on credit facility
Statement [Table]
Statement of Financial Position [Abstract]
Net (loss) income per share attributable to Ultralife Corporation common stockholders – Diluted (in dollars per share)
Weighted average shares outstanding – Basic (in shares)
Other reconciling items (Rate)
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective income tax rate
Net (loss) income per share attributable to Ultralife Corporation common stockholders – Basic (in dollars per share)
Business Combination [Axis]
Tax rate changes, percent
Payments on credit facilities
Business Combination [Domain]
Statement of Cash Flows [Abstract]
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
2028
2029
us-gaap_LesseeOperatingLeaseRemainingLeaseTerm
Lessee, Operating Lease, Remaining Lease Term (Year)
2026
2027
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Other nontaxable or nondeductible items, percent
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Equity compensation, percent
Accounting Standards Update and Change in Accounting Principle [Table]
Finite-Lived Intangible Assets Amortization Expense [Table Text Block]
State and local income taxes, net of federal income tax effect, percent
Tax rate differential, percent
us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
R&D, percent
Other reconciling items
FINANCING ACTIVITIES:
Other noncurrent liabilities
us-gaap_OtherLiabilitiesNoncurrent
Federal statutory income tax rate, percent
ulbi_MaximumConsolidatedSeniorLeverageRatio
Maximum Consolidated Senior Leverage Ratio
Represents information related to consolidated senior leverage ratio.
Term Loan Facility [Member]
Represents information related to term loan facility.
Amended Credit Agreement [Member]
Represents information related to Amended Credit Agreement.
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Long-term Debt, Current Maturities [Member]
Represents Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligation
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Net assets acquired
Communications Systems Segment [Member]
Represents the company's communications systems segment.
Battery & Energy Products Segment [Member]
Represents the company's battery & energy products segment.
us-gaap_StockholdersEquity
Total Ultralife Corporation equity
Patents and Technology [Member]
Represents information pertaining to patents and technology.
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
Other noncurrent liabilities
Other nontaxable or nondeductible items
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation
Business Combination, Recognized Liability Assumed, Lease Obligation
Class of Stock [Axis]
Long-term debt, net
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
Deferred tax liability, net
Equity compensation
us-gaap_PaymentsToAcquireBusinessesGross
Payments to Acquire Businesses, Gross
Purchase of Electrochem
Options outstanding, weighted-average exercise price (in dollars per share)
Options outstanding, weighted-average remaining contractual life (Year)
Options exercisable, number of options exercisable (in shares)
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
Accounts payable
Options exercisable – weighted average exercise price (in dollars per share)
Operating Segments [Member]
Upper range limit (in dollars per share)
Options outstanding, number of outstanding options (in shares)
us-gaap_LongTermPurchaseCommitmentAmount
Long-Term Purchase Commitment, Amount
Exercise Price Range [Axis]
State and local income taxes, net of federal income tax effect
Exercise Price Range [Domain]
Tax rate differential
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Property, plant and equipment
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
Other noncurrent assets
Lower range limit (in dollars per share)
us-gaap_IncomeTaxReconciliationTaxCreditsResearch
R&D