CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Collaboration revenue	$ 1,720	$ 1,058
Operating expenses
Research and development	24,899	21,196
General and administrative	8,902	7,298
In-process research and development		10,000
Total operating expenses	33,801	38,494
Loss from operations	(32,081)	(37,436)
Interest expense	(404)	(314)
Interest income	2,623	253
Other expense, net	(194)
Total other income (expense)	2,025	(61)
Loss before provision for income taxes	(30,056)	(37,497)
Provision for income taxes	(1,208)	(16)
Net loss	$ (31,264)	$ (37,513)
Net loss per common share Basic (in dollars per share)	$ (0.53)	$ (0.66)
Net loss per common share Diluted (in dollars per share)	$ (0.53)	$ (0.66)
Weighted average common shares outstanding Basic (in shares)	58,610,375	57,051,539
Weighted average common shares outstanding Diluted (in shares)	58,610,375	57,051,539
Other comprehensive loss
Net loss	$ (31,264)	$ (37,513)
Unrealized gain (loss) on investments	1,196	(1,986)
Foreign currency translation	(9)	(6)
Comprehensive loss	$ (30,077)	$ (39,505)