CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - 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	$ (7,766)	$ (5,354)	$ (10,429)	$ (7,412)
Foreign currency translation adjustment	(1,266)	2,060	(2,498)	1,071
Comprehensive loss	$ (9,032)	$ (3,294)	$ (12,927)	$ (6,341)