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Earnings Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Potential dilutive shares 155,648 925,083
Stock Options [Member]    
Potential dilutive shares 475,133
Share Grants [Member]    
Potential dilutive shares 155,648 449,950