Quarterly report pursuant to Section 13 or 15(d)

Common Shares and Warrants (Details 2)

v3.19.3.a.u2
Common Shares and Warrants (Details 2)
3 Months Ended
Nov. 30, 2019
$ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Expected volatility 96.00%
Risk-free interest rate 1.66%
Expected life 5 years
Dividend yield 0.00%
Warrant  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Expected volatility 91.00%
Risk-free interest rate 2.87%
Expected life 2 years
Dividend yield 0.00%
Warrant | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Estimated fair value per warrant $ 0.28
Warrant | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Estimated fair value per warrant $ 0.43