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Note 9 - Share Capital (Details Textual) - shares
Nov. 30, 2020
Nov. 30, 2019
Common Stock, Shares Authorized (in shares) 1,000,000,000 1,000,000,000
Common Stock, Shares, Issued, Total (in shares) 330,411,589 327,629,928
Preferred Stock, Shares Authorized (in shares)   10,000,000
Preferred Stock, Shares Issued, Total (in shares) 0  
Common Stock, Shares, Outstanding, Ending Balance (in shares) 330,400,000 327,600,000