Biological Assets and Inventory - Schedule of Biological Inventory (Detail) - CAD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about biological assets [line items]    
Inventory $ 8,416 $ 1,908
Dry cannabis [member]    
Disclosure of detailed information about biological assets [line items]    
Finished goods 6,145 1,502
Work-in-process 1,630  
Inventory 7,775 1,502
Cannabis oils [member]    
Disclosure of detailed information about biological assets [line items]    
Finished goods 332  
Raw materials 183 194
Supplies and consumables $ 126 $ 212