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Lease obligations (Tables)
12 Months Ended
Dec. 31, 2018
Statements [Line Items]  
Disclosure of finance lease and operating lease by lessee [text block]

 
      December 31,     December 31,  
      2018     2017  
      $     $  
  Payable not later than one year   80,359     53,159  
  Payable later than one year and not later than five years   301,955     13,290  
      382,314     66,449