Note 9 - Subsequent Events (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Feb. 01, 2024 |
Dec. 31, 2023 |
|
| Proceeds from Shareholder Advances | $ 950,000 | |
| Subsequent Event [Member] | ||
| Proceeds from Shareholder Advances | $ 250,000 | |
| Subsequent Event [Member] | Prefunded Warrants [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 484,966 | |
| Subsequent Event [Member] | Common Warrants [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 484,966 | |
| Subsequent Event [Member] | Additional Prefunded Warrants [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 121,241 | |
| Subsequent Event [Member] | Additional Common Warrants [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 121,241 |