Note 6 - Property and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, plant and equipment gross | $ 877,404 | $ 877,404 |
| Less: accumulated depreciation | (801,887) | (775,783) |
| Property and equipment, net | 75,517 | 101,621 |
| Lab Equipment [Member] | ||
| Property, plant and equipment gross | 747,069 | 747,069 |
| Leasehold Improvements [Member] | ||
| Property, plant and equipment gross | 115,333 | 115,333 |
| Furniture and Fixtures [Member] | ||
| Property, plant and equipment gross | $ 15,002 | $ 15,002 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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