CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,705)	$ (2,844)
Other comprehensive loss:
Unrealized gain on investments	41	42
Comprehensive loss	$ (4,664)	$ (2,802)

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

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