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SHARE CAPITAL (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Share capital [Line Items] |  |  |
Share-based payment expenses |  | $ 0.7 | $ 5.1
Stock Options [Member] |  |  |
Share capital [Line Items] |  |  |
Share-based payment expenses | [1] | 1.4 | 2.6
Performance Share Units [Member] |  |  |
Share capital [Line Items] |  |  |
Share-based payment expenses |  | 0.1 | 1.4
Restricted Share Unit [Member] |  |  |
Share capital [Line Items] |  |  |
Share-based payment expenses | [1] | (0.3) | 0.6
Deferred Share Units [Member] |  |  |
Share capital [Line Items] |  |  |
Share-based payment expenses |  | (0.8) | 1.0
Common Shares Under First Nations Agreement [Member] |  |  |
Share capital [Line Items] |  |  |
Share-based payment expenses | [1] | $ 0.3 | $ 2.1
[1] | For the year ended December 31, 2018 $nil of share-based payment expenses were recognized in operating expenses (2017- $2.6 million).

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- Definition The amount of expense from share-based payment transactions with employees. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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