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Brumadinho dam failure (Details Narrative)
$ in Thousands, R$ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2023
BRL (R$)
Aug. 31, 2022
USD ($)
Aug. 31, 2022
BRL (R$)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
BRL (R$)
IfrsStatementLineItems [Line Items]                      
Present value at nominal rate         6.50%   6.50%   5.31%    
Other operating expenses, net         $ 89,000 $ 131,000 $ 199,000 $ 242,000      
Fine amount paid $ 15,000 R$ 86 $ 15,000 R$ 86              
Compensation paid on damages                   $ 180 R$ 1
Litigation settlement paid                 $ 56,000    
Description of alleged losses             the Claimants initially estimated the amount of the alleged losses would be approximately US$324 (R$1,800 million). In another proceeding filed by foreign funds, the Claimants initially estimated the amount of the alleged losses would be approximately US$702 (R$3,900 million). In the procedure presented by minority shareholders, the applicants estimated the alleged losses at approximately US$540 (R$3,000 million), which could be increased later, as alleged by the applicants.        
Potential loss             $ 109,000   $ 94,000    
Insurance received             $ 8,000 $ 11,000      
Bottom of range [member]                      
IfrsStatementLineItems [Line Items]                      
Obligations for an average period             5 years        
Top of range [member]                      
IfrsStatementLineItems [Line Items]                      
Obligations for an average period             7 years