Condensed Statements of Operations and Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Research and development expenses	$ 30,753	$ 45,042
General and administrative expenses	15,399	6,690
Change in fair value of tranche liability	365	21,012
Change in fair value of derivative liability	1,229	2,084
Interest expense	1,443	2,701
Loss on extinguishment and on issuance of convertible promissory notes	(186)	(38,018)
Related Party
Research and development expenses	27	32,128
General and administrative expenses	322	230
Change in fair value of tranche liability	331	19,064
Change in fair value of derivative liability	1,165	2,039
Interest expense	1,384	2,656
Loss on extinguishment and on issuance of convertible promissory notes	$ 169	$ 34,692