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 | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Antidilutive securities (in shares) | 661,702 | 424,278 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive securities (in shares) | 65 | 186 |
| Warrant [Member] | ||
| Antidilutive securities (in shares) | 661,637 | 424,092 |