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Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Statement Of Income And Comprehensive Income [Abstract]    
Net income (loss) $ 274us-gaap_NetIncomeLoss $ 580us-gaap_NetIncomeLoss
Other comprehensive income:    
Foreign currency translation gain (loss), net of deferred income taxes (savings) of $76 and ($50) for the three months ended March 31, 2015 and 2014 (147)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax 98us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Total comprehensive income (loss) $ 127us-gaap_ComprehensiveIncomeNetOfTax $ 678us-gaap_ComprehensiveIncomeNetOfTax