Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of warrants outstanding (Details)

v3.21.2
Stockholders' Equity - Summary of warrants outstanding (Details) - $ / shares
 9 Months Ended 12 Months Ended
May 31, 2021
Aug. 31, 2020
Number of shares    
Number of shares outstanding, beginning balance 1,896,209  
Issued 10,324,329  
Number of shares outstanding, ending balance 12,220,538  
Number of shares Exercisable 11,973,116  
Weighted remaining life (years)    
Weighted remaining life (years), beginning   4 years 8 months 12 days
Weighted remaining life (years), issued 4 years 9 months 18 days  
Weighted remaining life (years), cancelled 0 years  
Weighted remaining life (years), exercised 0 years  
Weighted remaining life (years), ending 4 years 8 months 12 days  
Weighted Remaining Life (Years) Exercisable 4 years 8 months 12 days  
Weighted average exercise prices    
Weighted average exercise prices, beginning $ 7.91  
Weighted average exercise prices, issued 2.03  
Weighted average exercise prices, ending 3.02  
Weighted Average Exercise Prices Exercisable $ 3.02