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Note J - Income Taxes (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Operating Loss Carryforwards, Valuation Allowance | $ 0 | $ 0
Percentage of Valuation Allowance | 100.00% |
Unrecognized Tax Benefits | $ 0 | 0
Domestic Tax Jurisdiction [Member] |  |
Operating Loss Carryforwards | 65,000,000 | 74,500,000
Operating Loss Carryforwards Subject to Expiration | 26,000,000 |
Operating Loss Carryforwards, Indefinite Lived | $ 39,000,000 |
Open Tax Year | 2021 2022 2023 |
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards | $ 29,400,000 | $ 63,300,000
Operating Loss Carryforwards Subject to Expiration | 28,800,000 |
Operating Loss Carryforwards, Indefinite Lived | $ 600,000 |

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