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Sale of future royalties (Tables) | 9 Months Ended
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Sep. 30, 2025
Other Liabilities Disclosure [Abstract] |
Schedule of activity related to the net liability from inception of the Agreement | The table below shows the activity related to the net liability for the nine months ended September 30, 2025 and 2024:
| Nine Months Ended September 30,
| 2025 |  | 2024
| (in thousands)
Net liability related to sale of future royalties - beginning balance | $ | 4,829 |  |  | $ | 6,953 |
Non-cash royalty revenue | (1,223) |  |  | (1,736) |
Non-cash interest expense | 78 |  |  | 98 |
Net liability related to sale of future royalties - ending balance | $ | 3,684 |  |  | $ | 5,315 |

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