Note 11 - Earnings (Loss) Per Share - Common Stock ("EPS") - Securities Excluded From the Diluted Per Share Calculation (Details) - Exercise Price Greater Than Average Market Price Of Common Shares [Member] - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Antidilutive securities (in shares) | 1,320,036 | 399,755 | 1,320,036 | 399,755 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive securities (in shares) | 40,065 | 186 | 40,065 | 186 |
| Warrant [Member] | ||||
| Antidilutive securities (in shares) | 1,279,971 | 399,569 | 1,279,971 | 399,569 |