Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating expenses:
Research and development	$ 141,798	$ 85,284	$ 81,759
General and administrative	31,072	29,872	19,127
Total operating expenses	172,870	115,156	100,886
Loss from operations	(172,870)	(115,156)	(100,886)
Interest expense	(3,099)	(739)
Interest and other income, net	24,210	3,862	109
Net loss	(151,759)	(112,033)	(100,777)
Net unrealized gain (loss) on marketable securities	233	64	(24)
Comprehensive loss	$ (151,526)	$ (111,969)	$ (100,801)
Net loss per share, basic	$ (2.89)	$ (2.87)	$ (2.89)
Net loss per share, diluted	$ (2.89)	$ (2.87)	$ (2.89)
Weighted-average number of shares used in computing net loss per common share, basic	52,568,159	38,984,772	34,827,385
Weighted-average number of shares used in computing net loss per common share, diluted	52,568,159	38,984,772	34,827,385