Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of warrants outstanding (Details)

v3.20.2
Stockholders' Equity - Summary of warrants outstanding (Details) - $ / shares
 12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Number of shares    
Number of shares outstanding, beginning balance 107,409  
Issued 1,840,773  
(Cancelled) (45,698)  
(Exercised) (6,275)  
Number of shares outstanding, ending balance 1,896,209  
Number of shares Exercisable 1,472,540  
Weighted remaining life (years)    
Weighted remaining life (years), beginning   4 years 3 months 18 days
Weighted remaining life (years), issued 5 years 1 month 6 days  
Weighted remaining life (years), cancelled 4 years 3 months 18 days  
Weighted remaining life (years), exercised 3 years 7 months 6 days  
Weighted remaining life (years), ending 4 years 9 months 18 days  
Weighted Remaining Life (Years) Exercisable 4 years 8 months 12 days  
Weighted average exercise prices    
Weighted average exercise prices, beginning $ 83.21  
Weighted average exercise prices, issued 7.03  
Weighted average exercise prices, cancelled 78.13  
Weighted average exercise prices, exercised 5.29  
Weighted average exercise prices, ending 8.42  
Weighted Average Exercise Prices Exercisable $ 7.91