Note 3 - Intangible Assets - Schedule of Intangible Assets, Net (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Intangible Assets, Gross | $ 3,929,014 | $ 3,931,827 |
| Intangible Assets, Net | 2,571,370 | 2,687,466 |
| Trademarks [Member] | ||
| Indefinite-Lived Intangible Assets, Gross | 34,796 | 26,529 |
| Patents [Member] | ||
| Finite-Lived Intangible Assets, Gross | 2,051,182 | 2,062,262 |
| Accumulated amortization | (474,618) | (430,710) |
| Other Intangible Assets [Member] | ||
| Finite-Lived Intangible Assets, Gross | 1,843,036 | 1,843,036 |
| Accumulated amortization | $ (883,026) | $ (813,651) |
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of indefinite-lived intangible asset. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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