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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended | 30 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Jan. 01, 2022
Income Tax Disclosure [Line Items] |  |  |  |
Deferred tax asset | $ 41,383,000 | $ 42,701,000 | $ 41,383,000 |
Tax Cuts and Jobs Act, percentage of depreciation for certain fixed assets acquired | 100.00% |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Net change in valuation allowance | $ 200,000 | $ 100,000 |  |
Unrecognized income tax benefits | $ 0 |  | 0 |
State |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Net operating loss carry forwards |  |  |  | $ 1,400,000
State | Minimum |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Expiration date of net operating loss carryforward | Dec. 31, 2023 |  |  |
State | Maximum |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Expiration date of net operating loss carryforward | Dec. 31, 2037 |  |  |
Federal |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Number of years for examination | 4 years |  |  |
New York |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Number of years for examination | 4 years |  |  |
Connecticut |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Number of years for examination | 4 years |  |  |
Pennsylvania |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Number of years for examination | 4 years |  |  |
New Jersey |  |  |  |
Income Tax Disclosure [Abstract] |  |  |  |
Number of years for examination | 5 years |  |  |
CARES Act |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Deferral payment of social security taxes |  |  | 5,200,000 |
Deferred tax asset | $ 1,500,000 |  | $ 1,500,000 |

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