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RECLAMATION OBLIGATIONS (Details 1) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
DisclosureOfReclamationObligationsLineItems [Line Items]    
Reclamation obligations, beginning $ 30,064 $ 28,509
Expenditures incurred (855) (755)
Reclamation obligations, ending 32,512 30,064
Reclamation Obligations    
DisclosureOfReclamationObligationsLineItems [Line Items]    
Reclamation obligations, beginning 30,064 28,509
Accretion 1,361 1,316
Expenditures incurred (855) (755)
Liability adjustments-income statement (note 22) 845 369
Liability adjustments-balance sheet (note 12) 1,097 625
Reclamation obligations, ending $ 32,512 $ 30,064