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Note 11 - Stock-based Compensation - Schedule of Valuation Assumptions (Details) - Share-Based Payment Arrangement, Option [Member] - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Dividend yield 2.79% 2.57%
Expected volatility 38.45% 29.55%
Risk-free interest rate 3.98% 3.82%
Expected term in years (Year) 6 years 2 months 12 days 6 years 3 months 18 days
Weighted-average grant date fair value per option granted (in dollars per share) $ 13.21 $ 11.36