Annual report pursuant to Section 13 and 15(d)

Common Shares and Warrants (Details 3)

v3.21.2
Common Shares and Warrants (Details 3) - $ / shares
12 Months Ended
Aug. 31, 2021
May 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Weighted Average Remaining Contractual Life 3 years 11 months 23 days        
Number of Warrants 2,447,275 3,057,464 471,608 94,177 3,286,274
Weighted Average Exercise Price $ 8.00        
Warrants 2          
Weighted Average Remaining Contractual Life 1 year 2 months 4 days        
Number of Warrants 7,500        
Weighted Average Exercise Price $ 24.00        
Warrants 5          
Weighted Average Remaining Contractual Life 2 years 7 months 13 days        
Number of Warrants 200,000        
Weighted Average Exercise Price $ 7.00        
Warrants 6          
Weighted Average Remaining Contractual Life 4 years 4 months 17 days        
Number of Warrants 1,719,828        
Weighted Average Exercise Price $ 6.58        
Warrants 7          
Weighted Average Remaining Contractual Life 1 month 9 days        
Number of Warrants 25,000        
Weighted Average Exercise Price $ 4.20        
Warrants 1          
Number of Warrants 61,090        
Weighted Average Exercise Price $ 36.00        
Warrants 1 | Minimum [Member]          
Weighted Average Remaining Contractual Life 2 months 12 days        
Warrants 1 | Maximum [Member]          
Weighted Average Remaining Contractual Life 3 years 3 months        
Warrants 4          
Number of Warrants 116,667        
Weighted Average Exercise Price $ 9.00        
Warrants 4 | Minimum [Member]          
Weighted Average Remaining Contractual Life 2 years 7 months 13 days        
Warrants 4 | Maximum [Member]          
Weighted Average Remaining Contractual Life 3 years 6 months 14 days        
Warrants 3          
Number of Warrants 317,190        
Weighted Average Exercise Price $ 10.50        
Warrants 3 | Minimum [Member]          
Weighted Average Remaining Contractual Life 3 years 8 months 4 days        
Warrants 3 | Maximum [Member]          
Weighted Average Remaining Contractual Life 3 years 8 months 12 days