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Net Income Per Share - Schedule of Dilutive Securities (Details) - $ / shares
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share)   $ 0.52
Balance at the end of the period (in shares)   148,501
Contingent restricted stock grants    
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 0.00 $ 0.00
Balance at the end of the period (in shares) 94,244 113,270
Stock options    
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share)   $ 2.19
Balance at the end of the period (in shares)   35,231