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Related Party Transactions - Disclosure of Information About Key Management Personnel (Detail) - CAD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [abstract]    
Key management personnel compensation, short-term employee benefits $ 3,961,649 $ 4,101,441
Key management personnel compensation, share-based payment 12,377,331 8,830,606
Remuneration attributed to key management personnel $ 16,338,980 $ 12,932,047