Intangible Assets and Goodwill - Goodwill (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of reconciliation of changes in goodwill [line items]    
Goodwill beginning balance $ 1,792 $ 392
Additions 0 1,400
Goodwill ending balance 1,792 1,792
OGBC [member]    
Disclosure of reconciliation of changes in goodwill [line items]    
Goodwill beginning balance 392 392
Goodwill ending balance 392 392
Peace Naturals [member]    
Disclosure of reconciliation of changes in goodwill [line items]    
Goodwill beginning balance 1,400  
Additions   1,400
Goodwill ending balance $ 1,400 $ 1,400