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Note 12 - Subsequent Event (Details Textual) - $ / shares
3 Months Ended
Nov. 03, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Common Stock, Dividends, Per Share, Declared (in dollars per share)   $ 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