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Stock-Based Compensation - Schedule of Options and Incentive Warrants (Details) - USD ($)
 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Number of Stock Options      
Stock Options Outstanding, Beginning of Period (in shares) 35,231    
Stock Options , Exercises (in shares) (35,231) (50,000) (87,000)
Stock Options Outstanding, End of Period (in shares) 0 35,231  
Weighted Average Exercise Price      
Stock Options Outstanding, Weighted Average Exercise Price, Beginning of Period (in USD per share) $ 2.19    
Stock Options, Exercises, Weighted Average Exercise Price (in USD per share) 2.19    
Stock Options Outstanding, Weighted Average Exercise Price, End of Period (in USD per share) $ 0.00 $ 2.19  
Aggregate Intrinsic Value      
Stock Options, Outstanding, Aggregate Intrinsic Value $ 0    
Stock Options, Outstanding, Weighted Average Remaining Contractual Term (in years) 0 years