Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details 2)

v3.19.3.a.u2
Stock Options (Details 2)
3 Months Ended
Nov. 30, 2019
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 96.00%
Risk-free interest rate 1.66%
Expected life 5 years
Dividend yield 0.00%
Estimated fair value per option $ 0.39