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Acquisition of Eastmain and transfer of Peruvian properties (Details 1) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Statement [Line Items]    
Exploration and evaluation costs $ 15,355 $ 3,658
Fees, salaries and other employee benefits 3,694 4,319
Legal and professional fees 1,983 562
Office and administration 606 667
Operating expenses 23,739 11,295
Foreign exchange loss (14) (60)
Other expenses 39 0
Loss from discontinued operations $ 0 3,490
Peruvian exploration projects spin out | Discontinued Operations    
Statement [Line Items]    
Exploration and evaluation costs   2,892
Fees, salaries and other employee benefits   243
Legal and professional fees   101
Office and administration   92
Operating expenses   3,328
Project investigation costs   136
Foreign exchange loss   26
Other expenses   (162)
Loss from discontinued operations   $ 3,490