Condensed Consolidated Statements of Comprehensive 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	$ (3,577)	$ (3,334)	$ (9,150)	$ (7,077)
Foreign currency translation adjustment	5	188	481	(488)
Comprehensive loss	$ (3,572)	$ (3,146)	$ (8,669)	$ (7,565)