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SIGNIFICANT ACCOUNTING POLICIES (Details) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Minera San Xavier S.A. de C.V. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Principal activity of subsidiary |  | Mining |
Method used to account for subsidiary |  | Consolidated |
Country of incorporation of subsidiary |  | Mexico |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Peak Gold Mines Pty Ltd. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Principal activity of subsidiary | [1] | Mining |
Method used to account for subsidiary | [1] | Consolidated |
Country of incorporation of subsidiary | [1] | Australia |
Proportion of ownership interest in subsidiary | [1] | 0.00% | 100.00%
Western Mesquite Mines Inc. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Principal activity of subsidiary | [1] | Mining |
Method used to account for subsidiary | [1] | Consolidated |
Country of incorporation of subsidiary | [1] | USA |
Proportion of ownership interest in subsidiary | [1] | 0.00% | 100.00%
[1] | The Company sold Peak Gold Mines Pty Ltd in April 2018 and sold Western Mesquite Mines Inc. in October 2018.

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