Note 7 - Stockholder Equity and Noncontrolling Interest - Dividends Declared (Details) - $ / shares |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.17 | $ 0.17 | $ 0.17 | $ 0.16 | $ 0.16 | $ 0.16 | $ 0.16 | $ 0.16 | $ 0.67 | $ 0.64 | $ 0.62 |