XML 72 R50.htm IDEA: XBRL DOCUMENT v3.20.4
Share capital - Assumptions used in the pricing model (Details)
12 Months Ended
Nov. 30, 2020
$ / shares
Share capital.  
Risk-free interest rates 0.92%
Exercise price $ 2.79
Expected life 3 years
Expected volatility 64.40%
Expected dividends