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Note 13 - Earnings Per Share (Details Textual) - shares
9 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Share-Based Payment Arrangement, Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 0 0
Performance Stock Units [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 87,956 132,217