v3.26.1
Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Major components of tax expense (income) [abstract]  
Disclosure of detailed information about Tax (expense) recovery [Table Text Block]
    Year ended  
    December 31,
2025
    December 31,
2024
 
Income tax recovery   -     2,813  
Deferred income tax (expense) recovery   (17,063 )   17,867  
Total $ (17,063 ) $ 20,680  
Disclosure of detailed information about effective income tax (expense) recovery [Table Text Block]
    Year Ended  
    December 31,
2025
    December 31,
2024
 
Net loss before tax $ (51,675 ) $ (71,245 )
Expected income tax recovery based on statutory rate   13,694     18,880  
Adjustments to expected income tax (expense) recovery:            
Permanent differences and other   (134 )   (2,382 )
Tax effect of unrecognized temporary differences and tax losses   (34,104 )   (1,690 )
Tax incentives and tax loss benefit not previously recognized   -     2,914  
Effect of tax rates in foreign jurisdictions   1,173     3,331  
Foreign exchange and other   2,308     (373 )
Income tax (expense) recovery $ (17,063 ) $ 20,680  
Disclosure of detailed information about deferred income tax balances [Table Text Block]
    Year ended     2024  
    December 31,
2025
    December 31,
2024
 
Net deferred income tax asset, beginning of the year   22,075     7,495  
Deferred income tax (expense) recovery   (17,063 )   17,867  
Effect of foreign exchange   -     (3,287 )
Net deferred income tax asset, end of the year   5,012     22,075  

 

    December 31,
2025
    December 31,
2024
 
Deferred income tax asset   5,012     22,075  
Net deferred income tax asset   5,012     22,075  
Disclosure of detailed information about changes in deferred income tax balances [Table Text Block]
    December 31,
2025
    December 31,
2024
 
Brazil            
Recognized deferred tax assets:            
Non-capital losses $ 15,343   $ 28,493  
Mine properties   1,422     1,235  
Recognized deferred tax liabilities:            
Transitional tax regime   (12,099 )   (6,985 )
Provisions   (4,666 )   (4,124 )
  $ -   $ 18,619  
Canada            
Recognized deferred tax assets:            
Non-capital losses $ 4,991   $ 3,433  
U.S.            
Recognized deferred tax assets:            
Non-capital losses $ 7   $ 1,038  
Provisions and other   21     23  
Recognized deferred tax liabilities:            
Mine properties, plant and equipment   (7 )   (1,038 )
  $ 21   $ 23  
             
Net deferred income tax asset $ 5,012   $ 22,075  
Disclosure of detailed information about deductible temporary differences [Table Text Block]
    December 31,
2025
    December 31,
2024
 
Canada            
Non-capital loss carry-forwards $ 24,358   $ 32,408  
Mine properties, plant and equipment   18,394     17,574  
Capital losses   12,260     12,260  
Vanadium assets   6,168     6,608  
ITCs   284     270
Share issue costs   520     214  
Ireland            
Non-capital loss carry-forwards $ 34,294   $ 24,715  
Mine properties, plant and equipment $ 1   $ 1  
U.S.            
Non-capital loss carry-forwards $ 76,743   $ 59,845  
Inventory   -     7,116  
Provisions and other   2,702     1,180  
Mine properties, plant and equipment   -     501  
Disclosure of detailed information about expiration period of non-capital losses [Table Text Block]
  Expiry Date     Amount     Expiry Date     Amount     Expiry Date     Amount  
  2034   $ 10,648     2038   $ 11,315     2042   $ 332  
  2035     132     2039     13,751     2043     1,261  
  2036     2,754     2040     35     2044     1,272  
  2037     3,848     2041     75     2045     701  
                              $ 46,124