Post-effective amendment to a registration statement that is not immediately effective upon filing

Common Shares and Warrants (Details 3)

v3.20.4
Common Shares and Warrants (Details 3) - $ / shares
 3 Months Ended 12 Months Ended
Nov. 30, 2020
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Number of Warrants 439,098 471,608 94,177 3,286,274
Weighted Average Remaining Contractual Life 4 years 3 days 3 years 7 months 2 days    
Weighted Average Exercise Price $ 14.68      
# of Warrants 3,333        
Number of Warrants 3,333 975,325    
Weighted Average Remaining Contractual Life 5 months 19 days 2 months 1 day    
Weighted Average Exercise Price $ 28.80 $ 2.25    
# of Warrants 291        
Number of Warrants 291 750,000    
Weighted Average Remaining Contractual Life 11 months 12 days 1 year 1 month 9 days    
Weighted Average Exercise Price $ 36.00 $ 0.14    
# of Warrants 7,500        
Number of Warrants 7,500 225,000    
Weighted Average Remaining Contractual Life 1 year 11 months 4 days 2 years 2 months 4 days    
Weighted Average Exercise Price $ 24.00 $ 0.80    
# of Warrants 51,808        
Number of Warrants 51,808 1,562,995    
Weighted Average Remaining Contractual Life 3 years 11 months 15 days 1 year 2 months 12 days    
Weighted Average Exercise Price $ 36.00 $ 0.80    
# of Warrants 8,983        
Number of Warrants 8,983 269,500    
Weighted Average Remaining Contractual Life 4 years 1 year 2 months 26 days    
Weighted Average Exercise Price $ 36.00 $ 0.80    
# of Warrants 16,666        
Number of Warrants 16,666      
Weighted Average Remaining Contractual Life 4 years 3 months 14 days      
Weighted Average Exercise Price $ 9.00      
# of Warrants 267,616        
Number of Warrants 267,616 500,000    
Weighted Average Remaining Contractual Life 4 years 5 months 4 days 4 years 6 months 14 days    
Weighted Average Exercise Price $ 10.50 $ 0.30    
# of Warrants 49,568        
Number of Warrants 49,568 8,028,254    
Weighted Average Remaining Contractual Life 4 years 5 months 12 days 4 years 8 months 4 days    
Weighted Average Exercise Price $ 10.50 $ 0.35    
# of Warrants 8,333        
Number of Warrants 8,333 100,000    
Weighted Average Remaining Contractual Life 5 months 23 days 8 months 19 days    
Weighted Average Exercise Price $ 46.50 $ 0.96    
# of Warrants 25,000        
Number of Warrants 25,000 250,000    
Weighted Average Remaining Contractual Life 10 months 9 days 8 months 23 days    
Weighted Average Exercise Price $ 4.20 $ 1.55    
# of Warrants 1,487,080        
Number of Warrants   1,487,080    
Weighted Average Remaining Contractual Life   4 years 8 months 12 days    
Weighted Average Exercise Price   $ 0.35