Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating expenses:
Research and development	$ 98,038	$ 94,537
General and administrative	33,155	31,084
Total operating expenses	131,193	125,621
Loss from operations	(131,193)	(125,621)
Other income, net:
Interest income	7,056	1,954
Other income, net	53	2
Total other income, net	7,109	1,956
Net loss before income tax expense	(124,084)	(123,665)
Net loss	(124,084)	(123,665)
Other comprehensive income (loss):
Net unrealized gain (loss) on marketable securities	272	(237)
Comprehensive loss	$ (123,812)	$ (123,902)
Net loss per share, basic	$ (1.68)	$ (2.76)
Net loss per share, diluted	$ (1.68)	$ (2.76)
Weighted-average shares used in computing net loss per share, basic	73,786,126	44,823,597
Weighted-average shares used in computing net loss per share, diluted	73,786,126	44,823,597