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 | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Antidilutive securities (in shares) | 661,702 | 374,782 | 661,702 | 374,782 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive securities (in shares) | 65 | 186 | 65 | 186 |
| Warrant [Member] | ||||
| Antidilutive securities (in shares) | 661,637 | 374,596 | 661,637 | 374,596 |