Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating expenses:
Research and development	$ 31,417	$ 22,197	$ 88,638	$ 61,732
General and administrative	7,928	4,844	21,360	15,155
Total operating expenses	39,345	27,041	109,998	76,887
Loss from operations	(39,345)	(27,041)	(109,998)	(76,887)
Interest expense	(959)	(535)	(3,928)	(1,377)
Interest income and other, net	5,579	773	11,972	843
Net loss before income tax	(34,725)	(26,803)	(101,954)	(77,421)
Income tax expense		(2)		(3)
Net loss	(34,725)	(26,805)	(101,954)	(77,424)
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities	41	(136)	(200)	(408)
Foreign currency translation adjustments	6	14	3	32
Total other comprehensive income (loss)	47	(122)	(197)	(376)
Comprehensive loss	$ (34,678)	$ (26,927)	$ (102,151)	$ (77,800)
Net loss per share, basic	$ (0.45)	$ (0.57)	$ (1.5)	$ (2.63)
Net loss per share, diluted	$ (0.45)	$ (0.57)	$ (1.5)	$ (2.63)
Weighted-average shares used to compute net loss per share, basic	76,336,050	47,253,527	67,962,848	29,413,421
Weighted-average shares used to compute net loss per share, diluted	76,336,050	47,253,527	67,962,848	29,413,421