Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Revenue from collaboration agreements	$ 6,152	$ 7,238
Operating expenses:
Research and development	24,606	27,072
General and administrative	9,331	9,330
Total operating expenses	33,937	36,402
Loss from operations	(27,785)	(29,164)
Other income, net:
Interest and other income, net	2,656	2,842
Total other income, net	2,656	2,842
Net loss	$ (25,129)	$ (26,322)
Net loss per share − basic (in dollars per share)	$ (0.20)	$ (0.37)
Net loss per share − diluted (in dollars per share)	$ (0.20)	$ (0.37)
Weighted-average number of shares used in computed net loss per share − basic	126,074,555	70,833,044
Weighted-average number of shares used in computed net loss per share − diluted	126,074,555	70,833,044
Other comprehensive income (loss)
Unrealized loss on marketable securities	$ (372)	$ (10)
Comprehensive loss	$ (25,501)	$ (26,332)
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Collaborative Arrangement [Member]	Collaborative Arrangement [Member]