Note G - Dividend Payment (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jul. 13, 2026 |
Apr. 13, 2026 |
Jan. 12, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.1525 | $ 0.15 | |||||
| Dividends, Common Stock, Cash | $ 2,100 | $ 2,100 | $ 2,106 | $ 2,075 | $ 4,160 | $ 4,136 | |
| Subsequent Event [Member] | |||||||
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.1525 | ||||||
| Dividends, Common Stock, Cash | $ 2,100 | ||||||