Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Research and development	$ 21,342	$ 15,115	$ 60,193	$ 39,025
General and administrative	7,020	4,753	19,702	10,470
Total operating expenses	28,362	19,868	79,895	49,495
Loss from operations	(28,362)	(19,868)	(79,895)	(49,495)
Other income (expense):
Interest income, net	997	13	1,774	33
Foreign currency exchange gain (loss), net	63	18	293	(96)
Gain (loss) on disposal of fixed assets	(16)	0	109	0
Changes in fair value of preferred stock tranche obligations, net	0	0	0	(960)
Total other income (expense)	1,044	31	2,176	(1,023)
Net loss	$ (27,318)	$ (19,837)	$ (77,719)	$ (50,518)
Net loss per share attributable to common stockholders-basic	$ (0.58)	$ (0.43)	$ (1.67)	$ (2.85)
Net loss per share attributable to common stockholders-diluted	$ (0.58)	$ (0.43)	$ (1.67)	$ (2.85)
Weighted-average number of shares outstanding used in computing net loss per common share-basic	46,732,353	45,987,866	46,666,000	17,751,410
Weighted-average number of shares outstanding used in computing net loss per common share-diluted	46,732,353	45,987,866	46,666,000	17,751,410
Comprehensive loss:
Net loss	$ (27,318)	$ (19,837)	$ (77,719)	$ (50,518)
Provision for pension benefit obligation	32	(535)	99	(894)
Unrealized loss on available-for-sale securities	(176)	0	(680)	0
Comprehensive loss	$ (27,462)	$ (20,372)	$ (78,300)	$ (51,412)