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Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets | The following is a summary of the Company’s amortizing intangible assets as of March 31, 2024:
|  |  | March 31, 2024
(in thousands) | Estimated Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
HETLIOZ® | 2035 |  | $ | 33,000 |  |  | $ | 16,303 |  |  | $ | 16,697 |
PONVORY® | 2042 |  | 104,894 |  |  | 2,240 |  |  | 102,654 |
Total amortizing intangible assets |  |  | $ | 137,894 |  |  | $ | 18,543 |  |  | $ | 119,351 |
The following is a summary of the Company’s amortizing intangible assets as of December 31, 2023:
|  |  | December 31, 2023
(in thousands) | Estimated Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
HETLIOZ® | 2035 |  | $ | 33,000 |  |  | $ | 15,937 |  |  | $ | 17,063 |
PONVORY® | 2035 |  | 104,894 |  |  | 588 |  |  | 104,306 |
Total amortizing intangible assets |  |  | $ | 137,894 |  |  | $ | 16,525 |  |  | $ | 121,369 |
Schedule of Future Intangible Asset Amortization | The following is a summary of the future intangible asset amortization schedule as of March 31, 2024:
(in thousands) | Total |  | 2024 |  | 2025 |  | 2026 |  | 2027 |  | 2028 |  | Thereafter
HETLIOZ® | $ | 16,697 |  |  | $ | 1,097 |  |  | $ | 1,463 |  |  | $ | 1,463 |  |  | $ | 1,463 |  |  | $ | 1,463 |  |  | $ | 9,748 |
PONVORY® | 102,654 |  |  | 4,158 |  |  | 5,544 |  |  | 5,544 |  |  | 5,544 |  |  | 5,544 |  |  | 76,320 |
Total amortizing intangible assets | $ | 119,351 |  |  | $ | 5,255 |  |  | $ | 7,007 |  |  | $ | 7,007 |  |  | $ | 7,007 |  |  | $ | 7,007 |  |  | $ | 86,068 |

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