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Note 12 - Income Taxes (Details Textual) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Aug. 31, 2023 | Dec. 31, 2020
Unrecognized Tax Benefits | $ 0 |  |  |  | $ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 0 | $ 0 | $ 0 |  |
Domestic Tax Authority [Member] |  |  |  |  |
Operating Loss Carryforwards | 21,104 |  |  |  |
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member] |  |  |  |  |
Operating Loss Carryforwards | $ 5,570 |  |  |  |
State and Local Jurisdiction [Member] | New York State Division of Taxation and Finance [Member] |  |  |  |  |
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority |  |  |  | $ 70,000 |

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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