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Note 8 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Deferred Tax Assets, Valuation Allowance | $ 3,246 | $ 3,050
Income Taxes Paid | 0 | 0
Unrecognized Tax Benefits, Ending Balance | 0 | 0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 0 |
Domestic Tax Jurisdiction [Member] |  |
Operating Loss Carryforwards | 7,400 | 6,700
Charitable Contribustions Carryforward | $ 1,300 |
Open Tax Year | 2021 2022 2023 2024 |
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards | $ 6,100 | $ 5,400

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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