Annual report pursuant to Section 13 and 15(d)

Note 17 - Share-based Compensation - Restricted Stock and Restricted Stock Units Activity (Details)

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Note 17 - Share-based Compensation - Restricted Stock and Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Nonvested units (in shares)    
Nonvested, weighted average grant date fair value (in dollars per share)    
Granted (in shares) 58,000 0 0
Granted, weighted average grant date fair value (in dollars per share) $ 9.15    
Vested (in shares)    
Vested, weighted average grant date fair value (in dollars per share)    
Canceled (forfeited) (in shares) (2,000)    
Canceled (forfeited) (in dollars per share) $ 9.15    
Nonvested units (in shares) 56,000  
Nonvested, weighted average grant date fair value (in dollars per share) $ 9.15