Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue related party				$ 24,990
Operating expenses:
Research and development	28,362	16,178	55,118	29,661
General and administrative	6,528	6,529	13,093	13,330
Total operating expenses	34,890	22,707	68,211	42,991
Loss from operations	(34,890)	(22,707)	(68,211)	(18,001)
Interest income	2,615	325	5,279	357
Interest expense	(4)	(18)	(23)	(36)
Other expense, net	(124)	(138)	(329)	(240)
Loss before income tax provision	(32,403)	(22,538)	(63,284)	(17,920)
Income tax provision	0	0	0	0
Net loss	$ (32,403)	$ (22,538)	$ (63,284)	$ (17,920)
Net loss per share attributable to common stockholders, basic	$ (0.75)	$ (0.56)	$ (1.47)	$ (0.45)
Net loss per share attributable to common stockholders, diluted	$ (0.75)	$ (0.56)	$ (1.47)	$ (0.45)
Weighted-average common shares used in computing net income (loss) per share attributable to common stockholders, basic	42,957,035	40,075,060	42,957,242	39,975,503
Weighted-average common shares used in computing net income (loss) per share attributable to common stockholders, diluted	42,957,035	40,075,060	42,957,242	39,975,503