CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue
Total revenue	$ 2,263		$ 4,620
Revenue from Contract with Customer, Product and Service	us-gaap:LicenseMember		us-gaap:LicenseMember
Operating expenses
Research and development	$ 10,759	$ 11,051	$ 32,375	$ 40,400
General and administrative	6,307	6,310	18,261	20,603
Restructuring	(41)		937
Total operating expenses	17,025	17,361	51,573	61,003
Loss from operations	(14,762)	(17,361)	(46,953)	(61,003)
Other income, net
Other income, net	742	613	1,805	2,254
Total other income, net	742	613	1,805	2,254
Net loss	(14,020)	(16,748)	(45,148)	(58,749)
Comprehensive loss	$ (14,020)	$ (16,748)	$ (45,148)	$ (58,749)
Net loss per share, basic (in dollars per share)	$ (0.22)	$ (0.61)	$ (0.91)	$ (2.14)
Net loss per share, diluted (in dollars per share)	$ (0.22)	$ (0.61)	$ (0.91)	$ (2.14)
Weighted average common shares outstanding, basic (in shares)	63,465,063	27,523,821	49,762,800	27,475,579
Weighted average common shares outstanding, diluted (in shares)	63,465,063	27,523,821	49,762,800	27,475,579