Note 12 - Subsequent Events (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Oct. 22, 2025 |
Oct. 05, 2025 |
Jul. 29, 2025 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Aug. 14, 2025 |
|
| Gain (Loss) on Extinguishment of Debt | $ (652,000) | $ 0 | $ (652,000) | $ 0 | ||||
| Proceeds from Issuance of Debt | 3,000,000 | $ 0 | ||||||
| Senior Secured Convertible Notes [Member] | Institutional Investor [Member] | ||||||||
| Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ 1.72 | $ 1 | ||||||
| Gain (Loss) on Extinguishment of Debt | $ (652,161) | $ (652,161) | ||||||
| Debt Instrument, Face Amount | $ 3,272,966 | $ 1,363,736 | ||||||
| Proceeds from Issuance of Debt | $ 3,000,000 | |||||||
| Subsequent Event [Member] | Senior Secured Convertible Notes [Member] | Institutional Investor [Member] | ||||||||
| Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ 1.1 | $ 1 | ||||||
| Gain (Loss) on Extinguishment of Debt | $ 845,000 | |||||||
| Debt Instrument, Face Amount | $ 3,545,712 | |||||||
| Proceeds from Issuance of Debt | $ 3,250,000 | |||||||