Note 12 - Earnings Per Share (Details Textual) - $ / shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Average Common Stock, Close Price (in dollars per share) | $ 5.18 | $ 9.88 | $ 6.18 | $ 10.68 |
| Weighted Average Number of Shares Outstanding, Basic (in shares) | 1,930,000 | 1,901,000 | 1,930,000 | 1,901,000 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 183,473 | 183,473 | ||