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RECLAMATION PROVISION (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Reclamation provision $ 1,524 $ 10,799
Reclamation provision undiscounted value $ 1,985 $ 16,356
Risk free interest rate 1.68% 1.88%
Durango, Mexico [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Risk free interest rate 6.86% 8.62%
Inflation rate 3.54% 3.80%