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Share capital (Schedule of Warrant Issuances) (Narrative) (Details) | 1 Months Ended
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Jul. 31, 2016 CAD shares yr | Jun. 30, 2016 CAD shares yr
Broker Warrants [Member] |  |
Disclosure of classes of share capital [line items] |  |
Warrants granted | shares | 224,728 | 388,886
Exercise price of warrants granted | CAD | CAD 4.2 | CAD 4.2
Exercise period of warrants granted | yr | 2 | 2
Broker Units [Member] |  |
Disclosure of classes of share capital [line items] |  |
Exercise price of warrants granted | CAD | CAD 4.68 | CAD 4.68
Exercise period of warrants granted | yr | 5 | 5

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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_45&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Period of exercise for warrants issued during the period. + References No definition available. + Details
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- Details
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