Note 7 - Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Gross carrying amount | $ 571,235 | $ 566,302 |
| Accumulated amortization | (118,518) | (100,079) |
| Fair market value adjustments | 0 | |
| Impairment | 0 | |
| Net carrying amount | 452,717 | 466,223 |
| Patents [Member] | ||
| Gross carrying amount | 526,235 | 521,302 |
| Accumulated amortization | (88,018) | (71,079) |
| Fair market value adjustments | 0 | |
| Impairment | 0 | |
| Net carrying amount | 438,217 | 450,223 |
| Trademarks [Member] | ||
| Gross carrying amount | 45,000 | 45,000 |
| Accumulated amortization | (30,500) | (29,000) |
| Fair market value adjustments | 0 | |
| Impairment | 0 | |
| Net carrying amount | $ 14,500 | $ 16,000 |
| X | ||||||||||
- Definition Represents the accumulated fair value adjustment of finite lived intangible assets. No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount, after 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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| X | ||||||||||
- Definition Amount of impairment loss for 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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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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