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Provision for Site Reclamation and Closure (Tables)
 12 Months Ended
Dec. 31, 2023
Disclosure Of Provision For Site Reclamation And Closure [Abstract]  
Disclosure of other provisions [Table Text Block]
    Quebec     Nunavut     Total  
Balance at December 31, 2021 $ 1,934   $ 2,256   $ 4,190  
Accretion   42     52     94  
Change in estimate   (409 )   396     (13 )
Balance at December 31, 2022 $ 1,567   $ 2,704   $ 4,271  
Accretion   54     94     148  
Change in estimate   (52 )   128     76  
Balance at December 31, 2023 $ 1,569   $ 2,926   $ 4,495