Note 14 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Allowance for doubtful accounts | $ 255,478 | $ 255,478 |
| Stock Compensation | 42,715 | 42,715 |
| Total deferred tax assets | 1,214,248 | 1,201,970 |
| Less: valuation allowance | (1,214,248) | (1,201,970) |
| Net deferred tax assets | 0 | 0 |
| Total deferred tax liabilities | (885) | (148) |
| Less: valuation allowance | 885 | 148 |
| Net deferred tax liability | 0 | 0 |
| Income Tax Jurisdiction, Domestic Federal [Member] | ||
| Federal net operating loss carryforward | 325,714 | 302,275 |
| Federal tax credit carryforwards | 316,772 | 315,772 |
| Depreciation – Federal | 0 | 33,466 |
| Depreciation - Federal | (885) | (148) |
| Income Tax Jurisdiction, Domestic State and Local [Member] | ||
| Federal net operating loss carryforward | 214,795 | 198,459 |
| Federal tax credit carryforwards | 45,366 | 45,366 |
| Depreciation – Federal | 13,408 | 8,739 |
| Depreciation - Federal | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from allowance for doubtful accounts. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from depreciation. No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from depreciation. No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax liabilities for which it is more likely than not that a tax benefit will not be realized. No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit 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 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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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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- Details
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