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FINANCIAL RISK MANAGEMENT (Details Textual) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) $ / Ounce-oz $ / Pound-lb
Financial risk management [Line Items] |
Description of functional currency | U.S. dollars
Percentage of gains losses on exchange differences on translation recognised in profit or loss | 10.00%
Percentage of changes in differences on commodity price recognised in net earnings and other comprehensive income | 10.00%
Gold [Member] | Bottom of range [member] |
Financial risk management [Line Items] |
Price per unit | $ / Ounce-oz | 1,151
Gold [Member] | Top of range [member] |
Financial risk management [Line Items] |
Price per unit | $ / Ounce-oz | 1,346
Copper [Member] | Bottom of range [member] |
Financial risk management [Line Items] |
Price per unit | $ / Pound-lb | 2.49
Copper [Member] | Top of range [member] |
Financial risk management [Line Items] |
Price per unit | $ / Pound-lb | 3.27
At 1 % change [Member] |
Financial risk management [Line Items] |
Interest paid, classified as operating activities | $ | $ 1.4
Interest income | $ | $ 2.0

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