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Intangible Assets, Net | 9 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets, Net | Intangible Assets, Net Intangible assets, net consist of the following as of the periods presented:
| September 30, 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 | $ | 7,120 |  |  | $ | (1,327) |  |  | $ | 5,793 |  |  | $ | 6,090 |  |  | $ | (1,073) |  |  | $ | 5,017 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |
Trademarks | 640 |  |  | — |  |  | 640 |  |  | 562 |  |  | — |  |  | 562 |
Total intangible assets | $ | 7,760 |  |  | $ | (1,327) |  |  | $ | 6,433 |  |  | $ | 6,652 |  |  | $ | (1,073) |  |  | $ | 5,579 |
Amortization expense is as follows for the periods presented:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) | 2025 |  | 2024 |  | 2025 |  | 2024
Amortization expense | $ | 88 |  |  | $ | 65 |  |  | $ | 221 |  |  | $ | 202 |
As of September 30, 2025, future amortization of patents is as follows:
(in thousands) |
2025 (excluding the nine months ended September 30, 2025) | $ | 88 |
2026 | 360 |
2027 | 360 |
2028 | 360 |
2029 | 360 |
Thereafter | 4,265 |
Total | $ | 5,793 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/985-20/tableOfContent + Details
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