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Nature of Operations - Additional Information (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Pure Sunfarms [Member]    
Nature Of Operations [Line Items]    
Wage subsidies received $ 871 $ 2,470
Rose LifeScience Inc [Member]    
Nature Of Operations [Line Items]    
Equity ownership percentage 70.00%