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Basis of Presentation and Summary of Significant Accounting Policies (Details 4)
12 Months Ended
Jun. 30, 2018
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]  
Risk-free rate 4.50%
Volatility 81.40%
Dividend yield 0.00%
Country risk premium 0.90%
Liquidity risk premium 3.00%