Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,371)	$ (720)	$ (3,025)	$ (1,806)
Other comprehensive income (loss):
Foreign currency translation adjustments	97	151	(64)	(358)
Unrealized gains from marketable securities, net of tax	0	(13)	0	15
Total other comprehensive income (loss)	97	138	(64)	(343)
Comprehensive loss	$ (1,274)	$ (582)	$ (3,089)	$ (2,149)