Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating expenses:
Research and development	$ 93,790	$ 61,464
General and administrative	33,304	32,552
Legal settlement		10,000
Insurance recovery related to legal settlement	(1,628)
Total operating expenses	125,466	104,016
Loss from operations	(125,466)	(104,016)
Grant income	157	5,161
Other income, net	7,637	3,216
Net loss	(117,672)	(95,639)
Unrealized gain (loss) on available-for-sale securities	1,607	(1,568)
Comprehensive loss attributable to common stockholders	$ (116,065)	$ (97,207)
Net loss per share attributable to common stockholders, basic	$ (3.09)	$ (2.53)
Net loss per share attributable to common stockholders, diluted	$ (3.09)	$ (2.53)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	38,020,182	37,733,240
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	38,020,182	37,733,240