Note 7 - Income Taxes (Details Textual) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Deferred Tax Assets, Net | $ 4,400,000 | $ 4,500,000 |
| Deferred Tax Assets, Valuation Allowance | 2,700,000 | $ 2,700,000 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 0 | |
| Operating Loss Carryforwards | 21,559,317 | |
| Net Operating Loss Not Subject to Expiration | $ 14,000,000 |
| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of operating loss that are not subject to expiration. No definition available.
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