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Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
Income Tax Contingency [Line Items] |  |
Additions to valuation allowance | $ 1,152,000 | $ 1,506,000
Operating loss carryforwards, annual utilization limits | $ 800,000 |
Operating loss carryforwards, utilization limit, percent | 80.00% |
Previous accrual of uncertain tax positions |  | $ 1,004,000
Maximum |  |
Income Tax Contingency [Line Items] |  |
Operating loss carry forwards expiration year | 2035 |
Minimum |  |
Income Tax Contingency [Line Items] |  |
Operating loss carry forwards expiration year | 2032 |
Federal |  |
Income Tax Contingency [Line Items] |  |
Net operating loss carryforwards | $ 10,000,000 |
Net operating loss carryforwards with indefinite carryforward period | $ 69,400,000 |
Number of years open for tax examinations | 3 years |
Foreign Tax Authority |  |
Income Tax Contingency [Line Items] |  |
Net operating loss carryforwards | $ 0 |
Tax credit carryforwards | $ 1,800,000 |
Foreign Tax Authority | Maximum |  |
Income Tax Contingency [Line Items] |  |
Number of years open for tax examinations | 5 years |
Tax credit carry forwards expiration year | 2034 |
Foreign Tax Authority | Minimum |  |
Income Tax Contingency [Line Items] |  |
Number of years open for tax examinations | 3 years |
Tax credit carry forwards expiration year | 2030 |
State Jurisdiction |  |
Income Tax Contingency [Line Items] |  |
Net operating loss carryforwards | $ 16,700,000 |
State Jurisdiction | Maximum |  |
Income Tax Contingency [Line Items] |  |
Number of years open for tax examinations | 5 years |
State Jurisdiction | Minimum |  |
Income Tax Contingency [Line Items] |  |
Number of years open for tax examinations | 3 years |
Research and Development | Federal |  |
Income Tax Contingency [Line Items] |  |
Tax credit carryforwards | $ 500,000 |
Research and Development | Federal | Maximum |  |
Income Tax Contingency [Line Items] |  |
Tax credit carry forwards expiration year | 2043 |
Research and Development | Federal | Minimum |  |
Income Tax Contingency [Line Items] |  |
Tax credit carry forwards expiration year | 2029 |

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