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Note 9 - Earnings Per Share (Details Textual) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 6,059,975 14,223,243 5,960,026 8,623,243