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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in the Carrying Amount of Goodwill | The changes in the carrying amount of goodwill for our single reporting segment are as follows (in thousands):
|  | Total
Balance at September 30, 2024 and 2023 |  | $ | 1,003 |
Goodwill related to Remsdaq acquisition(1) |  | 5,143 |
Foreign currency translation adjustment |  | (21) |
Balance at September 30, 2025 |  | $ | 6,125 |
(1) See Note P. Business Acquisition for additional information.
Schedule of Intangible Assets Subject to Amortization | Intangible asset balances, subject to amortization, at September 30, 2025 and 2024 consisted of the following (in thousands):
| September 30, 2025 |  | September 30, 2024
| Weighted Average Remaining Useful Lives in Years |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
Customer relationships | 12 |  | $ | 2,202 |  |  | $ | (23) |  |  | $ | 2,179 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Technologies | 5 |  | 3,518 |  |  | (76) |  |  | 3,442 |  |  | 500 |  |  | — |  |  | 500 |
Trademarks | 10 |  | 475 |  |  | (6) |  |  | 469 |  |  | — |  |  | — |  |  | — |
Order backlog | 1 |  | 55 |  |  | (7) |  |  | 48 |  |  | — |  |  | — |  |  | — |
Total intangible assets |  |  | $ | 6,250 |  |  | $ | (112) |  |  | $ | 6,138 |  |  | $ | 500 |  |  | $ | — |  |  | $ | 500 |
Schedule of Estimated Future Amortization Expense of Intangible Assets | As of September 30, 2025, the estimated future amortization expense of intangible assets is as follows (in thousands):
Year Ending September 30: |
2026 | $ | 983 |
2027 | 934 |
2028 | 934 |
2029 | 934 |
2030 | 859 |
Thereafter | 1,494 |
Total | $ | 6,138 |

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