Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
Research and development	$ 28,954	$ 29,633
General and administrative	12,615	12,542
Total operating expenses	41,569	42,175
Loss from operations	(41,569)	(42,175)
Interest income and other, net	6,299	98
Loss before income taxes	(35,270)	(42,077)
Income tax expense	(197)	0
Net loss	(35,467)	(42,077)
Other comprehensive income:
Unrealized gains on available-for-sale investments	377
Comprehensive loss	$ (35,090)	$ (42,077)
Net loss per share - basic and diluted
Basic	$ (0.43)	$ (0.51)
Diluted	$ (0.43)	$ (0.51)
Weighted-average number of common shares used in computing net loss per share - basic and diluted
Basic	83,332,397	83,176,408
Diluted	83,332,397	83,176,408