Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net income	$ (7,891)	$ (7,484)	$ (14,728)	$ (12,301)
Other comprehensive income:
Foreign Currency Translation Adjustment	958	155	1,308	2,675
Total comprehensive income	$ (6,933)	$ (7,329)	$ (13,420)	$ (9,626)