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Note H - Investments (Details Textual) - USD ($) | Nov. 27, 2024 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Long-Term Investments |  | $ 5,000,000 | $ 0
Fiber Food Systems, Inc. [Member] | Bio-Key International [Member] |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 595,000 |  |
Boumarang, Inc. [Member] |  |  |
Investment Owned, Balance, Shares (in shares) | 5,000,000 |  |
Investment Owned, Percentage of Shares Outstanding | 7.92% |  |
Boumarang, Inc. [Member] | Maximum [Member] |  |  |
Long-Term Investments |  | $ 5,000,000 |

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