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Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Comprehensive Loss
Net loss	$ (32,693)	$ (18,332)
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on available-for-sale debt securities	161	(28)
Reclassification of realized (gain) loss on available-for-sale debt securities to earnings	(3)	(23)
Foreign currency translation adjustments	5,263	3
Other comprehensive income (loss)	5,421	(48)
Total comprehensive loss	$ (27,272)	$ (18,380)

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