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Consideration payable (Tables)
12 Months Ended
Jan. 31, 2019
Consideration Payable [abstract]  
Schedule of consideration payable
  Balance, January 31, 2018 and 2017 $  -  
  Silver State acquisition - January 1, 2019 (Note 20)   1,143,873  
  Megawood acquisition - January 23, 2019 (Note 21)   231,395  
  Balance, January 31, 2019 $  1,375,268