Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (5,573)	$ (3,743)
Foreign currency translation adjustment	476	(676)
Comprehensive loss	$ (5,097)	$ (4,419)