Note G - Dividend Payment (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Oct. 13, 2026 |
Jul. 13, 2026 |
Apr. 13, 2026 |
Jan. 12, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.1525 | $ 0.1525 | $ 0.15 | |||||
| Dividends, Common Stock, Cash | $ 2,100 | $ 2,100 | $ 2,100 | $ 2,099 | $ 2,071 | $ 6,259 | $ 6,207 | |
| Subsequent Event [Member] | ||||||||
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.1525 | |||||||
| Dividends, Common Stock, Cash | $ 2,100 | |||||||