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v3.19.1

OPERATING SEGMENTS - Revenue by Product (Details) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Gold |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 87.00% | 80.00%
Silver |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 12.00% | 20.00%
Zinc |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 1.00% | 0.00%
Lead |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 0.00% | 0.00%
Customer One |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 51.00% | 7.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_34&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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