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Long-Term Debt (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt Disclosure [Abstract] |
Summary of Long Term Debt | Long-term debt consisted of the following:
(in thousands) | March 31, 2024 |  | December 31, 2023
Principal amount of long-term debt | $ | 55,000 |  |  | $ | 55,000 |
Debt discount, net of accretion | (825) |  |  | (917) |
Cumulative accretion of end of term payments | 649 |  |  | 487 |
Long-term debt | $ | 54,824 |  |  | $ | 54,570 |
Interest Income and Interest Expense Disclosure | The Company recognized interest expense under the Hercules Loan Agreement as follows:
(in thousands) | Three Months Ended March 31, |  |
| 2024 |  | 2023 |  |  |  |
Total interest expense | $ | 1,874 |  |  | $ | 884 |  |  |  |  |
Non-cash interest expense | $ | 254 |  |  | $ | 225 |  |  |  |  |
Schedule of Future Principal Payments and the Final Payments Due | As of March 31, 2024, future principal and accrued end-of-term payments due under the Hercules Loan Agreement were as follows (in thousands):
Year Ending December 31, | Total
2024 | $ | — |
2025 | 24,720 |
2026 | 30,929 |
Long-term debt | $ | 55,649 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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