Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Change in fair value of derivative liability	$ 1,229	$ 2,084
Change in fair value of tranche liability	365	21,012
Non-cash interest expense	1,443	2,701
Loss on extinguishment and on issuance of convertible promissory notes	186	38,018
Accrued expenses and other current liabilities	2,144	115
Proceeds from issuance of convertible promissory notes	7,500	19,966
Related Party
Change in fair value of derivative liability	1,165	2,039
Change in fair value of tranche liability	331	19,064
Non-cash interest expense	1,384	2,656
Loss on extinguishment and on issuance of convertible promissory notes	169	34,692
Accrued expenses and other current liabilities	16	0
Proceeds from issuance of convertible promissory notes	3,402	19,041
Premium on issuance of convertible promissory notes	$ 169	$ 15,296