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Note 8 - Income Taxes (Details Textual)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Income Tax Disclosure [Abstract]        
Effective Income Tax Rate Reconciliation, Percent 23.40% 20.80% 22.00% 22.20%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00% 21.00%