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Apexian Sublicense Agreement (Details) - Apexian Sublicense Agreement [Member] - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2020
Sublicense Agreement [Abstract] |  |
Common stock issued (in shares) |  | 891,422
Development and Regulatory Milestones [Member] | Maximum [Member] |  |
Sublicense Agreement [Abstract] |  |
Milestone payments | $ 11 |
Sales Milestones [Member] | Maximum [Member] |  |
Sublicense Agreement [Abstract] |  |
Milestone payments | $ 20 |

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