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Note 23 - Equity-settled Share-based Expense - Facilitation and Advance Dividend Loan Modification (Details) - Faciliation and advanced dividend loans [member] $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($)
Statement Line Items [Line Items] |
Risk free interest rate | USD swap curve
Group market capitalisation at grant date ($’000) | $ 68,436
Bottom of range [member] |
Statement Line Items [Line Items] |
Blanket Mine dividend yield | 23.70%
Top of range [member] |
Statement Line Items [Line Items] |
Blanket Mine dividend yield | 89.88%

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- Definition The percentage of an expected dividend used to calculate the fair value of other equity instruments. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Market value of the company's outstanding shares. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition Information about how the fair value was determined for other equity instruments granted (ie other than share options) if it was not measured on the basis of an observable market price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_b_i&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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- Details
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- Details
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