v3.26.1
Related party transactions (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Oct. 24, 2022
USD ($)
individual
Oct. 31, 2022
USD ($)
transmitter
Jun. 30, 2026
USD ($)
transmitter
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
transmitter
Jun. 30, 2025
USD ($)
Feb. 28, 2026
USD ($)
Dec. 31, 2025
USD ($)
Total Expenses                
Accounts payable and accrued liabilities     $ 16,224   $ 16,224     $ 16,309
Revenue and accounts receivable                
Trade accounts receivable     2   2     14
Revenue and accounts receivable, transactions for the period     724 $ 1,068 1,582 $ 1,803    
Expense classification                
Exploration expenses     21,408 14,078 44,614 29,863    
General and administrative expenses     8,266 9,721 18,128 21,307    
Research and development expenses     174 55 578 107    
I-Pulse Inc.                
Expense classification                
Number of typhoon transmitters to be purchased | individual 6              
I-Pulse Inc. | Purchase Price Of Transmitters                
Expense classification                
Total purchase price $ 12,400              
Related Party                
Total Expenses                
Accounts payable and accrued liabilities     2,002   2,002     2,399
Expense classification                
Exploration expenses     2,002 66 2,002 355    
General and administrative expenses     250 631 500 1,363    
Research and development expenses     0 0 0 0    
Total Transactions Expenses     $ 2,252 697 $ 2,502 1,718    
Related Party | CMH Colombia S.A.S                
Expense classification                
Bridge loan             $ 2,500  
Related Party | I-Pulse Inc.                
Expense classification                
Front payment made   $ 7,100            
Number of typhoon transmitters received | transmitter     4   4      
Global Mining | Related Party                
Total Expenses                
Accounts payable and accrued liabilities     $ 0   $ 0     649
Advances                
Related party advances     283   283     422
Expense classification                
Total Transactions Expenses     0 447 0 1,218    
Ivanhoe Capital Aviation | Related Party                
Total Expenses                
Accounts payable and accrued liabilities     0   0     0
Expense classification                
Total Transactions Expenses     0 250 0 500    
High Water Holding Company | Related Party                
Total Expenses                
Accounts payable and accrued liabilities     0   0     250
Expense classification                
Total Transactions Expenses     250 0 500 0    
I-Pulse Inc.                
Expense classification                
Number of typhoon transmitters to be purchased | transmitter   6            
I-Pulse Inc. | Related Party                
Total Expenses                
Accounts payable and accrued liabilities     2,002   2,002     0
Deposit                
Deposits     1,573   1,573     1,573
Expense classification                
Total Transactions Expenses     2,002 0 2,002 0    
JCHX Mining Management Co, Ltd. | Related Party                
Total Expenses                
Accounts payable and accrued liabilities     0   0     1,500
Expense classification                
Total Transactions Expenses     $ 0 0 $ 0 0    
Maaden Joint Venture                
Expense classification                
Ownership percentage     50.00%   50.00%      
Maaden Joint Venture | Related Party                
Revenue and accounts receivable                
Trade accounts receivable     $ 200   $ 200     0
Revenue and accounts receivable, transactions for the period     643 $ 560 1,172 $ 1,160    
Advances                
Related party advances     $ 206   $ 206     $ 141
Cordoba | Related Party | Cordoba | JCHX Mining Management Co, Ltd.                
Expense classification                
Ownership percentage     18.20%   18.20%     19.20%