Note 10 - Derivatives (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivatives | $ 0 | $ 1,376 |
| Agent Warrants In Connection With March 2020 Private Placement [Member] | ||
| Derivatives | 0 | 135 |
| Derivative, Gain (Loss) on Derivative, Net | 135 | 3,220 |
| Agent Warrants Issued in Connection with May 2020 Offering [Member] | ||
| Derivatives | 0 | 333 |
| Derivative, Gain (Loss) on Derivative, Net | 333 | 4,146 |
| Agent Warrants In Connection With June 2020 Warrant [Member] | ||
| Derivatives | 0 | 908 |
| Derivative, Gain (Loss) on Derivative, Net | $ 908 | $ 5,091 |