v3.26.1
Note 9 - Employee Benefit Plans - Summary of the Restricted Stock Awards (Details) - $ / shares
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Restricted Stock Awards, Vested (in shares) (4,602) (8,159)
Restricted Stock [Member]    
Restricted Stock, Outstanding, Beginning Balance (in shares) 4,602 12,761
Weighted-Average Grant Date Fair Value Per Share, Outstanding at Beginning Period (in dollars per share) $ 18.74 $ 19.65
Restricted Stock Awards, Granted (in shares) 0 0
Weighted-Average Grant Date Fair Value Per Share, Granted (in dollars per share) $ 0 $ 0
Restricted Stock Awards, Vested (in shares) (4,602) (8,159)
Weighted-Average Grant Date Fair Value Per Share, Vested (in dollars per share) $ 18.74 $ 20.16
Restricted Stock, Outstanding, Balance (in shares) 0 4,602
Weighted-Average Grant Date Fair Value Per Share, Outstanding (in dollars per share) $ 0 $ 18.74
Restricted Stock Units (RSUs) [Member]    
Restricted Stock, Outstanding, Beginning Balance (in shares) 3,025 6,051
Weighted-Average Grant Date Fair Value Per Share, Outstanding at Beginning Period (in dollars per share) $ 18 $ 18.74
Restricted Stock Awards, Granted (in shares) 20,960 9,813
Weighted-Average Grant Date Fair Value Per Share, Granted (in dollars per share) $ 19.42 $ 16.09
Restricted Stock Awards, Vested (in shares) (11,813) (12,839)
Weighted-Average Grant Date Fair Value Per Share, Vested (in dollars per share) $ 20 $ 16.54
Restricted Stock, Outstanding, Balance (in shares) 12,172 3,025
Weighted-Average Grant Date Fair Value Per Share, Outstanding (in dollars per share) $ 20.3 $ 18