| Schedule of Convertible Debt |
The following table provides information regarding our debt: | | | | | | | | | | | | | March 31, | | December 31, | | (in thousands) | 2024 | | 2023 | 2027 Notes, non-current | $ | 287,500 | | | $ | 287,500 | | | Less: Unamortized debt issuance costs | (3,948) | | | (4,279) | | | Carrying amount of the 2027 Notes | 283,552 | | | 283,221 | | | | | | | Notes Payable, current | 5,000 | | | 2,500 | | | Notes Payable, non-current | 145,000 | | | 147,500 | | | Less: Unamortized debt discount | (2,425) | | | (2,700) | | | Less: Unamortized debt issuance costs | (1,289) | | | (1,426) | | | Carrying amount of Notes Payable | 146,286 | | | 145,874 | | | Total debt | $ | 429,838 | | | $ | 429,095 | |
Interest expense relating to our debt in the condensed consolidated statements of operations and comprehensive loss are summarized as follows: | | | | | | | | | | | | | Three Months Ended March 31, | | (in thousands) | 2024 | | 2023 | | Contractual interest expense | $ | 4,469 | | | $ | 3,383 | | | Amortization of debt issuance costs | 483 | | | 432 | | | Amortization of debt discount | 274 | | | 85 | | | Total interest expense | $ | 5,226 | | | $ | 3,900 | |
|