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Stock Based Compensation (Schedule of Stock Option Activity) (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Number of Shares Subject To Options    
Balance at July 1, 2020 276,712  
Granted  
Exercised  
Forfeited or expired (21,950)  
Outstanding at September 30, 2020 254,762 276,712
Vested or expected to vest at September 30, 2020 240,227  
Exercisable at September 30, 2020 160,620  
Weighted Average Exercise Price    
Balance at July 1, 2020 $ 24.30  
Granted  
Exercised  
Forfeited or expired 21.02  
Outstanding at September 30, 2020 24.58 $ 24.30
Vested or expected to vest at September 30, 2020 24.64  
Exercisable at September 30, 2020 $ 25.07  
Weighted Average Remaining Contractual Term    
Outstanding 6 years 29 days 6 years 1 month 6 days
Vested or expected to vest at September 30, 2020 5 years 11 months 1 day  
Exercisable at September 30, 2020 4 years 6 months 14 days  
Aggregate Intrinsic Value    
Outstanding at September 30, 2020 $ 0  
Vested or expected to vest at September 30, 2020 0  
Exercisable at September 30, 2020 $ 0