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Sale of Future Revenue - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended | 59 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 03, 2020 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2020 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Sep. 30, 2025
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Payments for loan acquisition costs |  |  |  |  | $ 21 | $ 18 |  |
Revenues |  | $ 12,807 | $ 13,542 |  | 31,530 | $ 45,694 |  |
Royalty |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Revenues |  |  |  |  | $ 922 |  | $ 1,008 |
MAM Pangolin Royalty , LLC | Maximum |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of future revenue | $ 125,000 |  |  |  |  |  |  |
License agreement with Sunovion Pharmaceuticals, Inc. |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Minimum annual royalty receivable |  |  |  | $ 1,000 |  |  |  |
License agreement with Sunovion Pharmaceuticals, Inc. | Royalty |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Revenues |  |  |  | $ 8,000 |  |  |  |
Monetization Agreement |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Payments for loan acquisition costs | $ 2,909 |  |  |  |  |  |  |
Effective annual interest rate | 24.90% |  |  |  |  |  |  |
Monetization Agreement | MAM Pangolin Royalty , LLC |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of future revenue | $ 40,000 |  |  |  |  |  |  | $ 50,000
Additional proceeds from sale of future revenue | 10,000 |  |  |  |  |  |  |
Proceeds from debt, contingent on additional milestones | $ 75,000 |  |  |  |  |  |  |

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