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Income Taxes (Details Narrative) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2015
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards |  |  | $ 2.5 |
Operating loss carry forwards expiration year | 2036 |  |  |
Research and Development tax credits | $ 2.7 | $ 2.2 |  |
Research and development tax credits year | 2029 |  |  |
Gross deferred tax asset | $ 7.2 |  |  |
Research and development tax credit carryforwards |  |  | 0.8 |
Decrease in valuation allowance |  |  | 3.3 |
Federal [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | $ 126.3 | 123.4 | $ 12.1 | $ 25.8
Operating loss carryforwards description | $37.7 million will begin to expire in 2025 and $88.6 million can be carried forward indefinitely |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | $ 16.6 | 17.2 |  |
Foreign Tax Authority [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 12.9 | 10.6 |  |
Foreign Tax Authority [Member] | Australia, Dollars |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | $ 20.1 | $ 14.9 |  |

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