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Segments - Schedule of Information by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Revenues from external customers	$ 23,252	$ 1,341
Operating segments
Segment Reporting Information [Line Items]
Revenues from external customers	23,252	1,341
Salaries, benefits and other payroll expenses, including severance costs	(8,660)	(9,186)
Rent and Utilities	(809)	(931)
Change in fair value of Warrants liabilities	0	(32,481)
Other segment expenses, net	(21,712)	(12,896)
Net loss	$ (7,929)	$ (54,153)

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Segment Adjusted EBITDA defined as net income (loss) before (i) interest expense, (ii) income tax expense/benefit, (iii) depreciation and amortization, (iv) stock-based compensation expense, (v) loss on settlement agreements where noncash consideration is paid; (vi) adjustments for accrued bonuses paid in equity awards; (vii) gain or loss on disposal of assets; (viii) loss on impairment of goodwill and other noncurrent assets, (ix) write-off of reacquired in-process research and development, (x) equity in net income (loss) of affiliates, and (xi) recognition of previously deferred revenue associated with upfront and milestone payments as well as cash outflows from capital expenditures and investments in affiliates, but includes proceeds from the sale of assets in the period sold.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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