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Corporate and administrative expenses (Tables)
12 Months Ended
Dec. 31, 2019
Disclosure of general and administrative expense [text block] [Abstract]  
Schedule of corporate and administrative expenses [Table Text Block]
($000s) 2019 2018
Employee compensation 4,635 3,990
Stock-based compensation 5,397 5,178
Professional fees 1,105 1,430
Other general and administrative 2,203 1,772
  13,340 12,370