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Sale of future royalties (Tables) | 6 Months Ended
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Jun. 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 six months ended June 30, 2025 and 2024:
| Six Months Ended June 30,
| 2025 |  | 2024
| (in thousands)
Net liability related to sale of future royalties - beginning balance | $ | 4,829 |  |  | $ | 6,953 |
Non-cash royalty revenue | (974) |  |  | (1,164) |
Non-cash interest expense | 55 |  |  | 70 |
Net liability related to sale of future royalties - ending balance | $ | 3,910 |  |  | $ | 5,859 |

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