Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net Loss	$ (24,561)	$ (35,030)
Unrealized foreign exchange gain/(loss) from cumulative translation adjustments	(5)	(21)
Comprehensive Loss	$ (24,566)	$ (35,051)