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v3.25.2

License and Collaboration Agreement with ImmuneOnco (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 01, 2024 | Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Apr. 30, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Additional accrual for prepayment of development costs |  |  |  |  |  |  |  | $ 5.0
Axion |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Upfront payment |  |  |  |  |  |  | $ 10.0 |
Development cost |  |  | $ 5.0 |  |  |  |  |
Collaboration agreement costs incurred |  | $ 14.1 |  | $ 0.0 | $ 18.4 | $ 0.0 |  |
Axion | License Agreement Terms | Maximum |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Licensing agreement compensation | $ 20.0 |  |  |  |  |  |  |
Axion | Commercial, development and regulatory milestones |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Additional accrual for prepayment of development costs |  | 0.7 |  |  | 0.7 |  |  |
Development payment |  | $ 10.0 |  |  | $ 10.0 |  |  |
Axion | Commercial, development and regulatory milestones | Maximum |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Licensing agreement compensation | 2,100.0 |  |  |  |  |  |  |
Axion | Long-Term regulatory milestones | Maximum |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Licensing agreement compensation | 270.0 |  |  |  |  |  |  |
Axion | Commercial Milestones | Maximum |  |  |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |  |  |
Licensing agreement compensation | $ 1,800.0 |  |  |  |  |  |  |

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