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Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Revenue |  |  |  |  |
Revenues | $ 2,498 | $ 268 | $ 2,654 | $ 1,234 |
Contract assets | 0 |  | 0 |  | $ 0
Contract liability | 2,743 |  | 2,743 |  | $ 3,058
Revenue, contract liabilities |  |  | 300 |  |
Contracts and grants |  |  |  |  |
Revenue |  |  |  |  |
Revenues | 2,498 | 252 | 2,652 | 1,218 |
Rockefeller University | Contracts and grants |  |  |  |  |
Revenue |  |  |  |  |
Revenues | $ 2,500 | $ 200 | $ 2,700 | $ 1,200 |

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