Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating expenses:
Research and development	$ 6,876	$ 6,011
General and administrative	3,965	3,858
Restructuring charges	3,375	0
Total operating expenses	14,216	9,869
Loss from operations	(14,216)	(9,869)
Other income (expense):
Interest income, net	11	115
Loss on extinguishment of debt	0	(942)
Total other income (expense), net	11	(827)
Loss before income taxes	(14,205)	(10,696)
Income tax expense	6	11
Net loss	$ (14,211)	$ (10,707)
Net loss per share
Net loss per share, basic (in dollars per share)	$ (0.24)	$ (0.21)
Net loss per share, diluted (in dollars per share)	$ (0.24)	$ (0.21)
Weighted average common shares outstanding, basic (in shares)	59,173,854	51,811,882
Weighted average common shares outstanding, diluted (in shares)	59,173,854	51,811,882
Other comprehensive loss:
Unrealized loss on marketable securities	$ (50)	$ (9)
Total other comprehensive loss	(50)	(9)
Total comprehensive loss	$ (14,261)	$ (10,716)