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Share-Based Compensation (Tables)
3 Months Ended
Oct. 31, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Restricted Stock Activity

A summary of our restricted stock unit activity and related data is as follows:

 

Outstanding at July 31, 2020     2,012,500  
Granted      
Issued      
Forfeited      
Outstanding at October 31, 2020 (of which 1,512,500 have vested and are issuable)     2,012,500  
Schedule of Stock Option Activity

A summary of our stock option activity is as follows:

 

    Shares     Weighted-
Average
Exercise Price
    Aggregate
Intrinsic
Value
 
Outstanding at July 31, 2020     9,432,875     $ 0.88     $ 5,255,000  
Granted         $        
Exercised         $        
Cancelled         $        
Outstanding at October 31, 2020     9,432,875     $ 0.88     $ 4,039,000  
Schedule of Fair Value Assumptions

The fair value of stock options was estimated at the grant date using the following weighted average assumptions:

 

    For the three months ended
October 31,
 
    2020     2019  
Volatility     %     79.16 %
Risk-free interest rate     %     1.52 %
Dividend yield     %     0.0 %
Expected life           5.36 years