Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Revenue under licensing agreements	$ 0	$ 0	$ 0	$ 925
Operating expenses:
Research and development expenses	17,241	16,285	54,372	45,570
General and administrative expenses	6,557	5,895	21,427	16,448
Total operating expenses	23,798	22,180	75,799	62,018
Loss from operations	(23,798)	(22,180)	(75,799)	(61,093)
Other income (expense):
Interest income	2,739	1,842	8,874	6,197
Interest expense	(1)	(3)	(4)	(10)
Other income	149	143	1,509	430
Other expense	(42)	(19)	(196)	(1,154)
Net loss	$ (20,953)	$ (20,217)	$ (65,616)	$ (55,630)
Per share information:
Net loss per share, basic (in dollars per share)	$ (0.99)	$ (1.19)	$ (3.11)	$ (3.29)
Net loss per share, diluted (in dollars per share)	$ (0.99)	$ (1.19)	$ (3.11)	$ (3.29)
Weighted-average shares of common stock outstanding, basic (in shares)	21,168,431	16,953,443	21,073,996	16,932,976
Weighted-average shares of common stock outstanding, diluted (in shares)	21,168,431	16,953,443	21,073,996	16,932,976