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Stock-Based Compensation (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2018
Jan. 31, 2019
Oct. 31, 2018
Jan. 31, 2020
Jan. 31, 2019
Jul. 31, 2019
Stock-Based Compensation (Textual)            
Fair market value   $ 36,000      
Accounts payables       $ 1,327,000   $ 1,264,000
Non-Standardized Profit-Sharing Plan [Member]            
Stock-Based Compensation (Textual)            
Common shares issued       635,155    
Stock-based compensation expense to employees       $ 115,000    
Various Employees [Member]            
Stock-Based Compensation (Textual)            
Stock-based compensation expense to employees       251,603 $ 251,000  
Unamortized compensation cost       $ 189,161 $ 265,000  
Stock option exercisable       0   0
Aggregate intrinsic value       $ 4,548,251   $ 3,452,405
closing stock price, Description       The aggregate intrinsic value (the difference between the Company’s closing stock price on the last trading day of the period and the exercise price, multiplied by the number of in-the-money options) of the 5,000,000 and 4,940,000 stock options outstanding at January 31, 2020 and July 31, 2019 was $0 and $0, respectively.    
Board Of Directors [Member]            
Stock-Based Compensation (Textual)            
Options to purchase common shares       100,000    
Exercise price       $ 0.18    
Term       5 years    
Vesting period       1 year    
Fair market value       $ 11,406    
Employee Stock Option [Member]            
Stock-Based Compensation (Textual)            
Common shares issued 21,672     7,313,827    
Market value issuance $ 5,794          
Options to purchase common shares       60,000    
Recognized stock-based compensation expense       $ 410,044    
Exercise price       $ 0.12    
Term       5 years    
Vesting period       3 years    
Fair market value       $ 7,158    
Accounts payables 5,287          
Loss on issuance of shares $ 507          
Stock options outstanding       5,000,000   4,940,000
Stock option exercisable       4,548,251    
Employee Stock Option [Member] | ExecutiveOfficersMember            
Stock-Based Compensation (Textual)            
Common shares issued       2,988,251    
Market value issuance       $ 158,216