Note 12 - Income Taxes - Net Deferred Tax Assets (Details) - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Research and development | $ 110,000 | $ 179,000 |
| Non-capital losses | 6,780,000 | 6,934,000 |
| Deferred Tax Assets, Gross | 6,890,000 | 7,113,000 |
| Unrecognized deferred tax assets | (6,890,000) | (7,113,000) |
| Net deferred tax assets | $ 0 | $ 0 |
| X | ||||||||||
- Definition Represents capitalized research and development related to deferred tax assets. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. 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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