Note 3 - Balance Sheet Components - Schedule of Other Assets (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| Prepaid technology license fees | $ 50,000 | $ 50,000 | $ 60,000 |
| Deposits | 19,947 | 36,947 | 11,010 |
| Total other assets | $ 69,947 | $ 86,947 | $ 71,010 |
| X | ||||||||||
- Definition Represents prepaid technology license fees. No definition available.
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| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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