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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Oct. 31, 2024
Operating Loss Carryforwards [Line Items] |  |  |  |
Increase in valuation allowance | $ (700) | $ 2,000 | $ 2,534 |
Reduction in valuation allowance |  | 212 | 399 |
Liability for uncertain tax positions, excluding any related interest and penalties | 22 | 22 | $ 22 |
Liability for uncertain tax position, would impact the effective tax rate, if recognized | 22 | 22 |  |
Accrued interest | 18 | 18 |  |
Interest and penalties from continuing operations |  | 1 |  |
Undistributed earnings of foreign subsidiaries | 4,824 | 4,824 |  |
Subsequent event | Discontinued Operations, Disposed of by Sale | C Blade |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Share purchase agreement, percentage to be acquired |  |  |  | 100.00%
Revenue commissioners, Ireland | Subsidiaries |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforward | 5,458 | 5,458 |  |
Foreign tax authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward | 1,724 | 1,724 |  |
Domestic tax authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward | 36,932 | 36,932 |  |
Interest expense carryforward | 2,684 | 2,684 |  |
Tax credit carryforward amount subject to expiration | 9,107 | 9,107 |  |
Tax credit carryforward amount not subject to expiration | 27,825 | 27,825 |  |
Domestic tax authority | General Business Tax Credit Carryforward |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward | 1,998 | 1,998 |  |
State and local jurisdiction |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforward | 33,418 | 33,418 |  |
Tax credit carryforward | $ 178 | $ 178 |  |

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