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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) [Abstract]
Net loss	$ (3,320)	$ (26,443)
Other comprehensive income (loss):
Change in unrealized gain (loss) on investments, net of tax	(171)	5
Change in foreign currency translation, net of tax	(3)	(3)
Total other comprehensive income (loss)	(174)	2
Comprehensive loss	$ (3,494)	$ (26,441)

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