Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (2,356)	$ (5,539)
Foreign currency translation adjustment	2	(3)
Comprehensive loss	$ (2,354)	$ (5,542)

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

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