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Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2019
Schedule of Finite-Lived Intangible Assets [Table Text Block]
    March 31, 2019     December 31, 2018  
Technology license (net of accumulated amortization of $781 (2018- $731)) $  1,220   $  1,270  
Trademarks-indefinite life-$14,327 CAD   10,721     -  
Environmental compliance approvals-indefinite life- $182,700 CAD   136,714     133,919  
  $  148,655   $  135,189