XML 89 R71.htm IDEA: XBRL DOCUMENT v3.23.1
Schedule of Options Outstanding (Details) - $ / shares
Aug. 31, 2022
Aug. 31, 2021
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 2,164,235 1,849,600
Number of options/warrants, exercisable 2,070,240  
Exercise Price Range One [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 227,155  
Number of options/warrants, outstanding, exercise price $ 1.33  
Number of options/warrants, exercisable 133,160  
Number of options/warrants, exercisable, exercise price $ 1.33  
Exercise Price Range Two [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 992,000  
Number of options/warrants, outstanding, exercise price $ 1.60  
Number of options/warrants, exercisable 992,000  
Number of options/warrants, exercisable, exercise price $ 1.60  
Exercise Price Range Three [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 48,000  
Number of options/warrants, outstanding, exercise price $ 1.87  
Number of options/warrants, exercisable 48,000  
Number of options/warrants, exercisable, exercise price $ 1.87  
Exercise Price Range Four [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 775,000  
Number of options/warrants, outstanding, exercise price $ 3.00  
Number of options/warrants, exercisable 775,000  
Number of options/warrants, exercisable, exercise price $ 3.00  
Exercise Price Range Five [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 72,600  
Number of options/warrants, outstanding, exercise price $ 3.80  
Number of options/warrants, exercisable 72,600  
Number of options/warrants, exercisable, exercise price $ 3.80  
Exercise Price Range Six [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 10,000  
Number of options/warrants, outstanding, exercise price $ 5.00  
Number of options/warrants, exercisable 10,000  
Number of options/warrants, exercisable, exercise price $ 5.00  
Exercise Price Range Seven [Member]    
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Number of options/warrants, outstanding 39,480  
Number of options/warrants, outstanding, exercise price $ 1.90  
Number of options/warrants, exercisable 39,480  
Number of options/warrants, exercisable, exercise price $ 1.90