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Intangible Assets (Tables) | 6 Months Ended
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Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | The following table presents the components of intangible assets:
| Gross Carrying Amount |  | Accumulated Amortization |  | Impairment |  | Net Carrying Amount |  | Useful Lives
| (in thousands) |  | (in years)
As of March 31, 2025 |  |  |  |  |  |  |  |  |
Patents | $ | 21,728 |  |  | $ | 15,649 |  |  | $ | — |  |  | $ | 6,079 |  |  | 14
License | 3,129 |  |  | 1,497 |  |  | — |  |  | 1,632 |  |  | 21
Total intangible assets, net | $ | 24,857 |  |  | $ | 17,146 |  |  | $ | — |  |  | $ | 7,711 |  |  |
As of September 30, 2024 |  |  |  |  |  |  |  |  |
Patents | $ | 21,728 |  |  | $ | 14,873 |  |  | $ | — |  |  | $ | 6,855 |  |  | 14
License | 3,129 |  |  | 1,422 |  |  | — |  |  | 1,707 |  |  | 21
Total intangible assets, net | $ | 24,857 |  |  | $ | 16,295 |  |  | $ | — |  |  | $ | 8,562 |  |  |
Schedule of Intangible Assets Future Amortization Expense | The following table presents the estimated future amortization expense related to intangible assets as of March 31, 2025:
|  | Amortization Expense
Year Ending September 30, |  | (in thousands)
2025 (remainder) |  | $ | 849 |
2026 |  | 1,700 |
2027 |  | 1,700 |
2028 |  | 1,700 |
2029 |  | 795 |
2030 and thereafter |  | 967 |
Total |  | $ | 7,711 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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