Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (30,384)	$ (26,496)	$ (15,278)
Change in foreign currency translation adjustment, net of tax	(2,950)	(714)	(605)
Comprehensive loss	(2,950)	(714)	(605)
Total other comprehensive loss, net of tax	$ (33,334)	$ (27,210)	$ (15,883)