Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses:
Research and development	$ 22,649	$ 26,477	$ 47,704	$ 52,082
General and administrative	8,174	8,627	16,881	16,745
Total operating expenses	30,823	35,104	64,585	68,827
Loss from operations	(30,823)	(35,104)	(64,585)	(68,827)
Other income, net:
Interest income	1,393	1,837	2,845	3,810
Other income (loss), net	(1)	(2)	81	11
Total other income, net	1,392	1,835	2,926	3,821
Net loss before income tax expense	(29,431)	(33,269)	(61,659)	(65,006)
Net loss	(29,431)	(33,269)	(61,659)	(65,006)
Other comprehensive income (loss):
Net unrealized gain (loss) on marketable securities	53	(213)	39	45
Comprehensive loss	$ (29,378)	$ (33,482)	$ (61,620)	$ (64,961)
Net loss per share, basic	$ (0.34)	$ (0.45)	$ (0.74)	$ (0.89)
Net loss per share, diluted	$ (0.34)	$ (0.45)	$ (0.74)	$ (0.89)
Weighted-average shares used in computing net loss per share, basic	85,706,501	73,399,847	83,344,414	73,249,702
Weighted-average shares used in computing net loss per share, diluted	85,706,501	73,399,847	83,344,414	73,249,702