v3.25.2
Note 8 - Dividends Declared and Paid (Details Textual) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Common Stock, Dividends, Per Share, Declared (in dollars per share) $ 0.09 $ 0.07 $ 0.18 $ 0.14
Distribution Made to Limited Partner, Distributions Declared, Per Unit (in dollars per share) $ 0.09 $ 0.07 0.18 0.14
Series A Preferred Stock [Member]        
Preferred Stock, Dividends Per Share, Declared (in dollars per share)     $ 0.82812 $ 0.82812
Preferred Stock, Dividend Rate, Percentage     6.625% 6.625%