CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Comprehensive Income (loss)
Net loss	$ (3,763)	$ (15,207)	$ (11,363)	$ (29,643)
Other comprehensive income:
Net unrealized gain on short-term investments	2	4	1	7
Total other comprehensive income	2	4	1	7
Comprehensive loss	$ (3,761)	$ (15,203)	$ (11,362)	$ (29,636)

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

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