Revenue (Details) - USD ($)	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Revenue
Revenues	$ 15,000	$ 695,000
Contract assets	0		$ 0
Contract liabilities	1,800,000		$ 1,800,000
Revenue recognized from contract liabilities	0
Contracts and grants
Revenue
Revenues	15,000	645,000
Rockefeller University \| Contracts and grants
Revenue
Revenues	$ 0	$ 600,000

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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+ Details