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Property and Equipment (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2021
USD ($)
Statement [Line Items]      
Net book value, beginning of the year     $ 1,222
Net book value, end of the year     1,191
Balance, beginning of the year $ 1,222,000    
Impairment of assets 42,000 $ 0  
Balance, end of the year 1,191,000 1,222,000  
Accumulated depreciation and amortisation      
Statement [Line Items]      
Balance, beginning of the year (1,193,000) (1,026,000)  
Disposal of assets (9,000) (85,000)  
Impairment of assets 13,000    
Balance, end of the year (1,542,000) (1,193,000)  
Depreciation (371,000) (252,000)  
Gross carrying amount      
Statement [Line Items]      
Balance, beginning of the year 2,415,000 2,298,000  
Additions 398,000 259,000  
Disposal of assets 25,000 142,000  
Impairment of assets (55,000)    
Balance, end of the year 2,733,000 2,415,000  
Gross carrying amount | Office Leases      
Statement [Line Items]      
Balance, beginning of the year 236,000 0  
Additions 295,000 236,000  
Disposal of assets 0 0  
Impairment of assets 0    
Balance, end of the year 531,000 236,000  
Other      
Statement [Line Items]      
Net book value, beginning of the year     23
Net book value, end of the year     8
Other | Accumulated depreciation and amortisation      
Statement [Line Items]      
Balance, beginning of the year 0 0  
Disposal of assets (9,000) 0  
Impairment of assets 13,000    
Balance, end of the year (3,000) 0  
Depreciation (25,000) 0  
Other | Gross carrying amount      
Statement [Line Items]      
Balance, beginning of the year 23,000 0  
Additions 68,000 23,000  
Disposal of assets 25,000 0  
Impairment of assets (55,000)    
Balance, end of the year 11,000 23,000  
Machinery and Equipment      
Statement [Line Items]      
Net book value, beginning of the year     980
Net book value, end of the year     802
Machinery and Equipment | Accumulated depreciation and amortisation      
Statement [Line Items]      
Balance, beginning of the year (1,176,000) (1,026,000)  
Disposal of assets 0 (85,000)  
Impairment of assets 0    
Balance, end of the year (1,389,000) (1,176,000)  
Depreciation (213,000) (235,000)  
Machinery and Equipment | Gross carrying amount      
Statement [Line Items]      
Balance, beginning of the year 2,156,000 2,298,000  
Additions 35,000 0  
Disposal of assets 0 142,000  
Impairment of assets 0    
Balance, end of the year 2,191,000 2,156,000  
Office Lease      
Statement [Line Items]      
Net book value, beginning of the year     219
Net book value, end of the year     $ 381
Office Lease | Accumulated depreciation and amortisation      
Statement [Line Items]      
Balance, beginning of the year (17,000) 0  
Disposal of assets 0 0  
Impairment of assets 0    
Balance, end of the year (150,000) (17,000)  
Depreciation $ (133,000) $ (17,000)