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Intangible Assets, Net (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets | Intangible assets consist of the following:
| March 31, 2025 |  | December 31, 2024
(in thousands) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |
Patents | $ | 6,431 |  |  | $ | (1,140) |  |  | $ | 5,291 |  |  | $ | 6,090 |  |  | $ | (1,073) |  |  | $ | 5,017 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |
Trademarks | 590 |  |  | — |  |  | 590 |  |  | 562 |  |  | — |  |  | 562 |
Total intangible assets | $ | 7,021 |  |  | $ | (1,140) |  |  | $ | 5,881 |  |  | $ | 6,652 |  |  | $ | (1,073) |  |  | $ | 5,579 |
Schedule of Indefinite-Lived Intangible Assets | Intangible assets consist of the following:
| March 31, 2025 |  | December 31, 2024
(in thousands) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |
Patents | $ | 6,431 |  |  | $ | (1,140) |  |  | $ | 5,291 |  |  | $ | 6,090 |  |  | $ | (1,073) |  |  | $ | 5,017 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |
Trademarks | 590 |  |  | — |  |  | 590 |  |  | 562 |  |  | — |  |  | 562 |
Total intangible assets | $ | 7,021 |  |  | $ | (1,140) |  |  | $ | 5,881 |  |  | $ | 6,652 |  |  | $ | (1,073) |  |  | $ | 5,579 |
Schedule of Amortization Expense | Amortization expense is as follows:
| Three Months Ended March 31, |  |
(in thousands) | 2025 |  | 2024 |  |  |  |
Amortization expense | $ | 67 |  |  | $ | 62 |  |  |  |  |
Schedule of Future Amortization | As of March 31, 2025, future amortization of patents is as follows:
Year Ending December 31, | (in thousands)
2025 (excluding the three months ended March 31, 2025) | $ | 226 |
2026 | 309 |
2027 | 309 |
2028 | 309 |
2029 | 309 |
Thereafter | 3,829 |
Total | $ | 5,291 |

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