Condensed 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
Statements of Comprehensive Loss [Abstract]
Net loss	$ (1,792)	$ (3,874)	$ (3,864)	$ (7,882)
Other comprehensive income (loss):
Foreign currency translation adjustments	(49)	30	(47)	65
Total comprehensive loss	$ (1,841)	$ (3,844)	$ (3,911)	$ (7,817)