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Income Taxes (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Income Tax Disclosure [Abstract] |  |
Effective tax rate | 0.00% | 0.00%
Gross deferred tax assets | $ 12,058,000 | $ 8,873,000
Valuation allowance | 11,918,000 | 8,808,000
Federal net operating loss carryforwards | 35,408,000 | 26,355,000
Federal research credit carryforwards | 759,000 | 506,000
State net operating loss carryforwards | 35,249,000 | 26,355,000
State research credit carryforwards | $ 441,000 | $ 307,000

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