CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (8,137)	$ (17,286)	$ (19,566)
Foreign currency translation	(39)	0	0
Comprehensive loss	$ (8,176)	$ (17,286)	$ (19,566)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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