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Note M - Convertible Note Payable (Details Textual) - USD ($) | Dec. 21, 2023 | Oct. 31, 2023 | Dec. 22, 2022 | Sep. 30, 2023
--- | --- | --- | --- | ---
Debt Instrument, Face Amount |  |  | $ 2,200,000 |
Warrants Issued in Connection with Convertible Notes [Member] |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) |  |  | 11,112 |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  | $ 54 |
Warrants and Rights Outstanding |  |  | $ 94,316 |
The Note [Member] |  |  |  |
Repayments of Notes Payable | $ 800,000 | $ 1,400,000 |  |
The Note [Member] | Senior Secured Promissory Note [Member] |  |  |  |
Debt Instrument, Face Amount |  |  | 2,200,000 |
Proceeds from Debt, Net of Issuance Costs |  |  | $ 2,002,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 10.00% | 12.00%
The Note [Member] | Senior Secured Convertible Note [Member] |  |  |  |
Stock Issued During Period, Shares, Commitment Fees (in shares) |  |  | 38,889 |
Shares Issued, Price Per Share (in dollars per share) |  |  | $ 18 |

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