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15. RECLAMATION OBLIGATIONS (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
DisclosureOfReclamationObligationsLineItems [Line Items] |  |
Reclamation obligations, beginning | $ 20,965 | $ 19,460
Expenditures incurred | (754) | (502)
Reclamation obligations, ending | 22,724 | 20,965
Reclamation Obligations |  |
DisclosureOfReclamationObligationsLineItems [Line Items] |  |
Reclamation obligations, beginning | 20,965 | 19,460
Accretion | 999 | 903
Expenditures incurred | (754) | (502)
Liability adjustments-income statement | 56 | 461
Liability adjustments-balance sheet | (20) | 50
Foreign exchange | 1,478 | 593
Reclamation obligations, ending | $ 22,724 | $ 20,965

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