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Sale of Future Revenue - Narrative (Details) - USD ($) $ in Thousands |  | 2 Months Ended | 3 Months Ended | 9 Months Ended | 29 Months Ended | 47 Months Ended
--- | --- | --- | --- | --- | --- | ---
Nov. 03, 2020 | Dec. 31, 2020 | Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2020 | Sep. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |
Payments for loan acquisition costs |  |  |  |  |  | $ 18 | $ 12,548 |  |
Revenues |  |  | $ 13,542 | $ 13,002 |  | 45,694 | 37,377 |  |
Royalty |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | (935) | $ (989) |  |
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 |  | $ 1,000 | $ 1,000 |  |  | $ 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 | $ 10,000 |  |  |  |  |  | $ 50,000 | $ 50,000
Proceeds from debt, contingent on additional milestones | $ 75,000 |  |  |  |  |  |  |  |

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