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v3.25.3

Note 2 - Summary of Significant Accounting Policies (Details Textual) |  |  | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 21, 2025 | Feb. 02, 2024 | Sep. 30, 2025 USD ($) shares | Dec. 31, 2024 USD ($)
Cash, Uninsured Amount |  |  | $ 853,280 | $ 1,351,625
Research and Development Assets, Current |  |  | 1,847,412 | 2,046,858
Impairment, Long-Lived Asset, Held-for-Use |  |  | 0 |
Derivative Liability |  |  | $ 243,000 | $ 0
Minimum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  | 3 years |
Maximum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  | 5 years |
Share-Based Payment Arrangement, Option [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares |  |  | 45,313 |
Restricted Stock Units (RSUs) [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares |  |  | 1,360 |
Reverse Stock Split [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  | 40 |  |
Reverse Stock Split [Member] | Subsequent Event [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 50 |  |  |

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