Note 8 - Income Taxes - Deferred Tax Assets (Details) - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| NOL carryforwards | $ 18,966,713 | $ 15,687,479 |
| Accruals and reserves | 8,402 | (28,852) |
| Stock-based compensation | 1,356,257 | 1,135,026 |
| Capitalized Section 174 | 14,975,473 | 14,681,051 |
| Others | 18,736 | 13,636 |
| Deferred Tax Assets, Gross | 35,325,581 | 31,488,340 |
| Valuation allowance | (35,325,581) | (31,488,340) |
| Net deferred tax assets | 0 | 0 |
| Deferred income taxes | $ 0 | $ 0 |
| X | ||||||||||
- Definition The amount of deferred income taxes No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to capitalized research and development. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset (liabilities) attributable to deductible temporary differences from reserves and accruals. 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, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. 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 temporary differences from share-based compensation. 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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