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Consolidated Statements of Comprehensive Income (Loss) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]    
Net income (loss) $ (4,727)us-gaap_NetIncomeLoss $ 4,551us-gaap_NetIncomeLoss
Other comprehensive income:    
Foreign currency translation gain (loss), net of deferred income taxes of $43 and $(42) for the twelve months ended December 31, 2014 and 2013 (132)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax 83us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Total comprehensive income (loss) $ (4,859)us-gaap_ComprehensiveIncomeNetOfTax $ 4,634us-gaap_ComprehensiveIncomeNetOfTax