Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net (loss)	$ (2,628)	$ (1,371)	$ (5,265)	$ (3,025)
Other comprehensive income (loss):
Foreign currency translation adjustments	(111)	97	318	(64)
Unrealized (losses) from marketable securities, net of tax	(5)	0	(8)	0
Total other comprehensive income (loss)	(116)	97	310	(64)
Comprehensive (loss)	$ (2,744)	$ (1,274)	$ (4,955)	$ (3,089)