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Note 10 - Equity (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Schedule of Common Stock Outstanding Roll Forward [Table Text Block] |
Issuance Date | Issued To |  | Fair Value |  |  | Common Shares Issued |
Various | Alvin Fund LLC (“Alvin Fund”) |  | $ | 142,422 |  |  |  | 35,366 |
March 20, 2025 | American Science and Technology Corporation (“AST”) |  | $ | 2,482,200 |  |  |  | 985,000 |
February 28, 2025 | Former LINICO CEO |  | $ | 1,860,000 |  |  |  | 775,000 |
January 27, 2025 | Kips Bay Select LP |  | $ | 212,766 |  |  |  | 44,024 |
Total common shares issued |  |  |  |  |  |  | 1,839,390 |
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
|  | Number of Warrants as of March 31, 2026 |  |  | Number of Warrants as of December 31, 2025 |  |  | Exercise Price |  |  | Expiration Date
GHF, Inc. |  |  | 20,000 |  |  |  | 20,000 |  |  | $ | 4.56 |  |  | December 31, 2027
GHF, Inc. |  |  | 50,000 |  |  |  | 50,000 |  |  | $ | 4.56 |  |  | December 31, 2027
GHF, Inc. |  |  | 50,000 |  |  |  | 50,000 |  |  | $ | 4.56 |  |  | December 31, 2027
Alvin Fund LLC |  |  | 100,000 |  |  |  | 100,000 |  |  | $ | 4.56 |  |  | December 31, 2027
Underwriter Purchase Warrants |  |  | 1,073,334 |  |  |  | 1,073,334 |  |  | $ | 2.58 |  |  | August 12, 2030
Underwriter Purchase Warrants |  |  | 1,463,636 |  |  |  | — |  |  | $ | 3.16 |  |  | January 28, 2031
Total outstanding warrants |  |  | 2,756,970 |  |  |  | 1,293,334 |  |  |  |  |  |  |
Date of Issuance |  | Warrants |  | Initial Exercise Date | Expiration Date |  | Exercise Price |
August 14, 2025 |  |  | 933,334 |  | February 8, 2026 | August 12, 2030 |  | $ | 2.58 |
September 15, 2025 |  |  | 140,000 |  | February 8, 2026 | August 12, 2030 |  | $ | 2.58 |
January 30, 2026 |  |  | 1,272,727 |  | July 27, 2026 | January 28, 2031 |  | $ | 3.16 |
March 3, 2026 |  |  | 190,909 |  | July 27, 2026 | January 28, 2031 |  | $ | 3.16 |

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
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