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Note 6 - Property, Plant and Equipment and Capital Long-term Prepayments - Schedule of Property, Plant and Equipment (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement Line Items [Line Items]      
Beginning balance $ 205 $ 261  
Beginning balance 51,258    
Additions during the year, right of use assets 0 0  
Beginning balance (205) (261)  
Beginning balance (51,258)    
Ending balance 140 205 $ 261
Ending balance 51,189 51,258  
Gross carrying amount [member]      
Statement Line Items [Line Items]      
Beginning balance 301 301 301
Beginning balance 51,360 51,364 82,338
Additions during the year, right of use assets   0 0
Additions during the year   519 16,942
Transfers from capital long-term prepayments, right of use assets 0   0
Transfers from capital long-term prepayments (139)   3,968
Impairment, right of use assets   0  
Impairment   (51,884)  
Reclassification, right of use assets 0    
Reclassification 0    
Asset retirement obligation – Change in estimate, right of use assets 0    
Asset retirement obligation – Change in estimate (384)    
Beginning balance (301) (301) (301)
Beginning balance (51,360) (51,364) (82,338)
Ending balance   301 301
Ending balance   51,360 51,364
Accumulated depreciation and amortisation [member]      
Statement Line Items [Line Items]      
Beginning balance (161) (96) (40)
Beginning balance (171) (106) (50)
Beginning balance 161 96 40
Beginning balance 171 106 50
Change for the year   65 56
Change for the year   65 56
Ending balance   (161) (96)
Ending balance   (171) (106)
Property, plant and equipment, excluding construction in progress [member]      
Statement Line Items [Line Items]      
Beginning balance 5,979    
Beginning balance (5,979)    
Ending balance 7,062 5,979  
Property, plant and equipment, excluding construction in progress [member] | Gross carrying amount [member]      
Statement Line Items [Line Items]      
Beginning balance 7,072 5,989 5,989
Additions during the year, property, plant, and equipment   133 0
Transfers from capital long-term prepayments, property, plant, and equipment 0   0
Impairment, property, plant, and equipment   0  
Reclassification, property, plant, and equipment 1,334    
Asset retirement obligation – Change in estimate, property, plant, and equipment (384)    
Beginning balance (7,072) (5,989) (5,989)
Ending balance   7,072 5,989
Property, plant and equipment, excluding construction in progress [member] | Accumulated depreciation and amortisation [member]      
Statement Line Items [Line Items]      
Beginning balance (10) (10) (10)
Beginning balance 10 10 10
Change for the year   0 0
Ending balance   (10) (10)
Construction in progress [member]      
Statement Line Items [Line Items]      
Beginning balance 45,074    
Beginning balance (45,074)    
Ending balance 43,987 45,074  
Construction in progress [member] | Gross carrying amount [member]      
Statement Line Items [Line Items]      
Beginning balance 43,987 45,074 76,048
Additions during the year, property, plant, and equipment   386 16,942
Transfers from capital long-term prepayments, property, plant, and equipment (139)   3,968
Impairment, property, plant, and equipment   (51,884)  
Reclassification, property, plant, and equipment (1,334)    
Asset retirement obligation – Change in estimate, property, plant, and equipment 0    
Beginning balance (43,987) (45,074) (76,048)
Ending balance   43,987 45,074
Construction in progress [member] | Accumulated depreciation and amortisation [member]      
Statement Line Items [Line Items]      
Beginning balance (0) (0) (0)
Beginning balance $ 0 0 0
Change for the year   0 0
Ending balance   $ (0) $ (0)