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Note 12 - Subsequent Event (Details Textual) - $ / shares
3 Months Ended 9 Months Ended
Oct. 28, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2024
Sep. 30, 2023
Common Stock, Dividends, Per Share, Declared (in dollars per share)   $ 0.2 $ 0.2 $ 0.2 $ 0.2 $ 0.2 $ 0.2 $ 0.2 $ 0.2
Subsequent Event [Member]                  
Common Stock, Dividends, Per Share, Declared (in dollars per share) $ 0.2