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Schedule of fair value of the stock options,Valuation Assumptions (Details) - $ / shares
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2016
Risk-free interest rates 1.59% 0.90% 0.52%
Exercise price $ 1.20 $ 0.69 $ 0.43
Expected life 3 years 3 years 3 years
Expected volatility 77.90% 74.20% 59.40%
Expected dividends 0.00% 0.00% 0.00%