Condensed Consolidated Statements of Compehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Consolidated Statements of Comprehensive Loss [Abstract]
Net loss	$ (953)	$ (1,424)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	184	(1,125)
Unrealized holding loss on available-for-sale securities	12	8
Total other comprehensive income (loss)	196	(1,117)
Comprehensive loss	$ (757)	$ (2,541)