Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net (loss)	$ (3,019)	$ (289)	$ (8,284)	$ (3,314)
Other comprehensive income (loss):
Foreign currency translation adjustments	57	(642)	375	(706)
Unrealized gains (losses) from marketable securities, net of tax	4	(3)	(4)	(3)
Total other comprehensive income (loss)	61	(645)	371	(709)
Comprehensive (loss)	$ (2,958)	$ (934)	$ (7,913)	$ (4,023)