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Stock-Based Compensation (Details 1)
9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Payment Arrangement [Abstract]    
Weighted average expected volatility - minimum 56.00% 63.00%
Weighted average expected volatility - maximum 69.00% 75.00%
Dividend yields 0.00% 0.00%
Weighted average risk free interest rate - minimum 2.65% 1.28%
Weighted average risk free interest rate - maximum 3.00% 1.80%
Weighted average expected term, in years 2 years 6 months 11 days 7 years 3 months