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Note 10 - Earnings Per Share (Details Textual) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 179,000 183,000 216,000 206,000