Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details 2)

v3.20.1
Stock Options (Details 2)
6 Months Ended
Feb. 29, 2020
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected life 5 years
Dividend yield 0.00%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 95.00%
Risk-free interest rate 1.45%
Estimated fair value per option $ 0.30
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 96.00%
Risk-free interest rate 1.68%
Estimated fair value per option $ 0.39