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Production costs (Tables)
12 Months Ended
Dec. 31, 2022
Expenses by nature [abstract]  
Summary of Product Cost
December 31, 2022December 31, 2021
Labour$90,460 $104,016 
Fuel24,430 17,889 
Reagents45,442 42,473 
Electricity31,729 21,471 
Mining contractors39,708 40,056 
Operating and maintenance supplies and services104,272 104,519 
Site general and administrative costs53,669 56,476 
Royalties and selling expenses69,876 62,848 
$459,586 $449,748