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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 | $ 66,494us-gaap_Revenues | $ 78,835us-gaap_Revenues |
Segment contribution | (1,443)us-gaap_OperatingIncomeLoss | (624)us-gaap_OperatingIncomeLoss |
Interest expense, net | 205ulbi_InterestExpenseNetOfInterestIncome | 199ulbi_InterestExpenseNetOfInterestIncome |
Miscellaneous | 154us-gaap_OtherNonoperatingIncomeExpense | 26us-gaap_OtherNonoperatingIncomeExpense |
Income tax provision | (268)us-gaap_IncomeTaxExpenseBenefit | (239)us-gaap_IncomeTaxExpenseBenefit |
Income (loss) from discontinued operations | (61)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 128us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |
Noncontrolling interest | (15)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (34)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
Net loss attributable to Ultralife | (2,116)us-gaap_NetIncomeLoss | (926)us-gaap_NetIncomeLoss |
Total assets | 87,642us-gaap_Assets | 90,194us-gaap_Assets |
Goodwill | 16,407us-gaap_Goodwill | 16,419us-gaap_Goodwill | 16,344us-gaap_Goodwill
Stock-based compensation | 1,003us-gaap_ShareBasedCompensation | 1,131us-gaap_ShareBasedCompensation |
Corporate |  |  |
Revenue | 0us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 0us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Segment contribution | (20,793)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | (23,245)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Interest expense, net | 205ulbi_InterestExpenseNetOfInterestIncome / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 199ulbi_InterestExpenseNetOfInterestIncome / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Miscellaneous | 154us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 26us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Income tax provision | 268us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 239us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Noncontrolling interest | 15us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 34us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Total assets | 20,171us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 19,275us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Capital expenditures | 206us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |  |
Depreciation and amortization | 955us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 1,156us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
Stock-based compensation | 971us-gaap_ShareBasedCompensation / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember | 1,106us-gaap_ShareBasedCompensation / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |
DiscontinuedOperations |  |  |
Revenue | 0us-gaap_Revenues / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember | 0us-gaap_Revenues / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember |
Segment contribution | 0us-gaap_OperatingIncomeLoss / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember | 0us-gaap_OperatingIncomeLoss / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember |
Income (loss) from discontinued operations | (61)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember | 128us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember |
Stock-based compensation |  | (7)us-gaap_ShareBasedCompensation / ulbi_StatementOperatingActivitiesAxis = ulbi_DiscopsMember |
Battery and Energy Products |  |  |
Revenue | 56,772us-gaap_Revenues / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 57,077us-gaap_Revenues / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Segment contribution | 15,516us-gaap_OperatingIncomeLoss / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 14,338us-gaap_OperatingIncomeLoss / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Total assets | 38,415us-gaap_Assets / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 40,851us-gaap_Assets / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Capital expenditures | 1,400us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 635us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Goodwill | 4,914us-gaap_Goodwill / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 4,926us-gaap_Goodwill / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Depreciation and amortization | 2,089us-gaap_DepreciationAndAmortization / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 2,076us-gaap_DepreciationAndAmortization / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Stock-based compensation | 28us-gaap_ShareBasedCompensation / us-gaap_SubsegmentsAxis = ulbi_BatteryMember | 20us-gaap_ShareBasedCompensation / us-gaap_SubsegmentsAxis = ulbi_BatteryMember |
Communications Systems |  |  |
Revenue | 9,722us-gaap_Revenues / us-gaap_SubsegmentsAxis = ulbi_CommsMember | 21,758us-gaap_Revenues / us-gaap_SubsegmentsAxis = ulbi_CommsMember |
Segment contribution | 3,834us-gaap_OperatingIncomeLoss / us-gaap_SubsegmentsAxis = ulbi_CommsMember | 8,283us-gaap_OperatingIncomeLoss / us-gaap_SubsegmentsAxis = ulbi_CommsMember |
Total assets | 29,056us-gaap_Assets / us-gaap_SubsegmentsAxis = ulbi_CommsMember | 30,068us-gaap_Assets / us-gaap_SubsegmentsAxis = ulbi_CommsMember |
Capital expenditures | 1,066us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease / us-gaap_SubsegmentsAxis = ulbi_CommsMember | 131us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease / us-gaap_SubsegmentsAxis = ulbi_CommsMember |
Goodwill | 11,493us-gaap_Goodwill / us-gaap_SubsegmentsAxis = ulbi_CommsMember | 11,493us-gaap_Goodwill / us-gaap_SubsegmentsAxis = ulbi_CommsMember |
Depreciation and amortization | 89us-gaap_DepreciationAndAmortization / us-gaap_SubsegmentsAxis = ulbi_CommsMember | 127us-gaap_DepreciationAndAmortization / us-gaap_SubsegmentsAxis = ulbi_CommsMember |
Stock-based compensation | $ 4us-gaap_ShareBasedCompensation / us-gaap_SubsegmentsAxis = ulbi_CommsMember | $ 12us-gaap_ShareBasedCompensation / us-gaap_SubsegmentsAxis = ulbi_CommsMember |

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