Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Condensed Statements of Comprehensive Income (Loss)
Net Loss	$ (19,101)	$ (28,418)	$ (68,079)	$ (78,425)
Other comprehensive income (loss)
Unrealized gain (loss) on marketable securities	17	(69)	130	(142)
Other comprehensive gain (loss), net of tax	17	(69)	130	(142)
Comprehensive income (loss), net of tax	$ (19,084)	$ (28,487)	$ (67,949)	$ (78,567)