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Stock-Based Compensation (Details 1)
6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Weighted-average expected volatility 63.70%  
Dividend yields 0.00% 0.00%
Weighted-average risk-free interest rate 1.57%  
Weighted-average expected term, in years 7 years 6 months 2 years 6 months 11 days
Lower Limit    
Weighted-average expected volatility   56.00%
Weighted-average risk-free interest rate   2.65%
Upper Limit    
Weighted-average expected volatility   69.00%
Weighted-average risk-free interest rate   3.00%