Note 11 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|
| Depreciation & Amortization | $ 103,627 | $ 253,436 |
| Allowance For Doubtful Accounts | 204,875 | 341,976 |
| Stock Comp Expense | 42,715 | 41,848 |
| Gross deferred tax assets | 1,323,318 | 1,917,545 |
| Valuation allowance | (1,323,318) | (1,917,545) |
| Total deferred tax assets | 0 | 0 |
| Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member] | ||
| Operating loss carryovers | 303,674 | 503,440 |
| R&D Credit | 320,918 | 320,918 |
| State and Local Jurisdiction [Member] | New Jersey Division of Taxation [Member] | ||
| Operating loss carryovers | 109,179 | 217,597 |
| R&D Credit | $ 238,330 | $ 238,330 |
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to allowance for doubtful accounts. No definition available.
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| X | ||||||||||
- Definition Represents net property plant and equipment for 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 before allocation of valuation allowances of deferred tax asset attributable to deductible research 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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