Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Consolidated Statements of Comprehensive Loss
Net loss	$ (8,735)	$ (4,825)	$ (25,059)	$ (33,905)
Other comprehensive loss:
Loss (gain) on translation of foreign operations	(63)	73	(149)	324
Unrealized gain on available-for-sale securities	46	24	52	21
Comprehensive loss	$ (8,752)	$ (4,728)	$ (25,156)	$ (33,560)

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

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