Stockholders' Equity (Details) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 26, 2025 USD ($) $ / shares	Nov. 13, 2025 USD ($) shares	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Stockholders' Equity
Recapitalization exchange ratio			3.06		3.06
Gain (loss) on change in fair value of warrants					$ 5,923	$ (927)
Notes receivable from stockholders			$ 9,160		9,160		$ 9,158
Gross proceeds					589	0
At the Market Offering Program
Stockholders' Equity
Commission of gross sales price of shares (percentage)	2.00%
Commissions and other offering expenses			0		0
Remained available for issuance			$ 74,400		$ 74,400
At the Market Offering Program | Subsequent event
Stockholders' Equity
Remained available for issuance		$ 57,300
At the Market Offering Program | Common Class A
Stockholders' Equity
Sale of stock, par value (in dollars per share) | $ / shares	$ 0.0001
Offering price	$ 75,000
Number of shares issued (in shares) | shares			9,917		9,917
Gross proceeds			$ 600		$ 600
At the Market Offering Program | Common Class A | Subsequent event
Stockholders' Equity
Offering price		$ 16,800
Number of shares issued (in shares) | shares		278,978
Gross proceeds		$ 17,100
Commissions and other offering expenses		$ 300
Minimum | Directors and Officers
Stockholders' Equity
Interest rate					0.50%
Maximum | Directors and Officers
Stockholders' Equity
Interest rate					2.50%
Notes Receivables from Stockholders
Stockholders' Equity
Outstanding promissory notes			16,000		$ 16,000		16,000
Notes receivable from stockholders			9,200		9,200		9,200
Notes receivable from stockholders, stock options not yet vested			6,800		6,800		6,800
Private and Public Warrants
Stockholders' Equity
Warrants and rights outstanding			6,800		6,800		1,300
Gain (loss) on change in fair value of warrants			(5,200)	$ 200	(5,500)	700
Sponsor Locked-up Shares
Stockholders' Equity
Warrants and rights outstanding			500		500		$ 100
Gain (loss) on change in fair value of warrants			$ (400)	$ 0	$ (400)	$ 200