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Stock-Based Compensation (Details Narrative) - USD ($)
9 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Jul. 31, 2018
Outstanding options 5,518,675   232,218
Market value $ 1.14    
Compensation expense $ 1,530,312  
Options granted 6,650,625    
Stock Options      
Outstanding options 5,518,675    
Outstanding options, weighted average remaining contractual term 9 years 1 month 24 days    
Compensation expense $ 1,530,312    
Unrecognized compensation costs $ 1,728,688    
Options granted 6,650,625    
Stock Option Plan 2017      
Common stock reserved for future issuance 240,000,000    
Common stock reserved for future awards 234,492,875    
Stock Option Plan 2019      
Common stock reserved for future issuance 1,200,000    
Common stock reserved for future awards 1,200,000    
Stock Option Plan 2006      
Common stock reserved for future issuance 2,835,000    
Common stock reserved for future awards 2,823,450    
Options vested 2,345,175