Note 2 - Earnings Per Common Share (Details Textual) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 543,500 | 533,400 | ||
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 638,071 | 615,898 | ||
| Unvested Performance Unit Awards [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 181,111 | 148,520 | 181,111 | 148,520 |