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Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Statement Of Income And Comprehensive Income [Abstract]    
Net loss before dividends on redeemable convertible preferred stock $ (2,593) $ (4,727)
Other comprehensive income:    
Foreign currency translation loss, net of deferred income taxes (541) (132)
Total comprehensive loss $ (3,134) $ (4,859)