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Note 12 - Earnings (Loss) Per Share - Securities Excluded from Earnings per Share (Details) - shares
3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Antidilutive securities (in shares) 5,609,857 4,415,707 6,780,585 2,707,903
Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares) 974,741 394,527 816,317 486,965
Restricted Stock Awards and Restricted Stock Units [Member]        
Antidilutive securities (in shares) 1,124,652 1,131,004 1,170,969 1,285,881
Series G Convertible Preferred Stock and Warrants [Member]        
Antidilutive securities (in shares) 3,510,464 2,890,176 4,793,299 935,057