CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - 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	$ (993)	$ (1,861)	$ (1,981)	$ (3,757)
Other comprehensive income (loss):
Foreign currency translation adjustments	(59)	90	78	0
Unrealized loss on investments	0	(29)	0	(32)
Change in accumulated other comprehensive loss	(59)	61	78	(32)
Comprehensive loss	$ (1,052)	$ (1,800)	$ (1,903)	$ (3,789)