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Note 16 - Subsequent Events (Details Textual) - $ / shares |  | 9 Months Ended
--- | --- | ---
Nov. 07, 2024 | Sep. 30, 2024 | Sep. 30, 2023
Restricted Stock [Member] |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |  | 3 years | 3 years
Director [Member] | Subsequent Event [Member] |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 7,761 |  |
Director [Member] | Subsequent Event [Member] | Restricted Stock [Member] |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 3 years |  |
Shares Issued, Price Per Share (in dollars per share) | $ 1.16 |  |
New Employees [Member] | Subsequent Event [Member] | Restricted Stock [Member] |  |  |
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares) | 10,000 |  |
Shares Issued, Price Per Share (in dollars per share) | $ 1.16 |  |

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