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Note 7 - Income Taxes (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Expense (Benefit) | $ (295,000) | $ 431,000 |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00% |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 627,000 | $ 17,000 |
Unrecognized Tax Benefits | 161,000 | 287,000 | $ 278,000
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 36,000 |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 0 |  |
Domestic Tax Jurisdiction [Member] |  |  |
Operating Loss Carryforwards | $ 1,966,000 | $ 0 |

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