Condensed Consolidated Statements of Operations (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue:
Collaboration revenue	$ 0	$ 1,143	$ 0	$ 1,885
Operating expenses:
Research and development	13,143	15,271	26,263	28,179
General and administrative	4,399	4,832	9,270	9,828
Total operating expenses	17,542	20,103	35,533	38,007
Operating loss	(17,542)	(18,960)	(35,533)	(36,122)
Other (expense) income:
Interest income	850	1,793	1,847	3,766
Interest expense	(1,301)	(1,142)	(2,564)	(2,145)
Loss on extinguishment of debt	0	(553)	0	(553)
Other income, net	11	1,613	179	1,612
Total other (expense) income	(440)	1,711	(538)	2,680
Net loss	$ (17,982)	$ (17,249)	$ (36,071)	$ (33,442)
Net loss per share
Net loss per common share, basic (in usd per share)	$ (0.40)	$ (0.40)	$ (0.80)	$ (0.79)
Net loss per common share, diluted (in usd per share)	$ (0.40)	$ (0.43)	$ (0.80)	$ (0.82)
Weighted-average common shares outstanding, basic and diluted
Weighted-average common shares outstanding, basic (in shares)	44,981,746	43,521,406	44,904,880	42,564,342
Weighted-average common shares outstanding, diluted (in shares)	44,981,746	44,043,184	44,904,880	42,825,231