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Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Revenue
Revenues	$ 730	$ 2,498	$ 1,424	$ 2,654
Contract assets	0		0		$ 0
Contract liabilities	0		0		$ 12
Contracts and grants
Revenue
Revenues	723	2,498	1,367	2,652
Rockefeller University | Contracts and grants
Revenue
Revenues	$ 700	$ 2,500	$ 1,400	$ 2,700

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