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Note 27 - Financial Instruments (Details Textual) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 01, 2016 | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Statement Line Items [Line Items] |  |  |  |
Total trade and other current receivables |  | $ 4,962 | $ 3,425 |
Hedging gains (losses) for hedge of group of items with offsetting risk positions |  |  | (435) |
Financial instruments designated as hedging instruments, at fair value |  | $ 0 |  |
Derivative contract for 15,000 ounces of Gold [member] | Commodity price risk [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Derivative contract, number of ounces of gold hedged | 15,000 |  |  |
Term of derivative contract | 180 days |  |  |
Average price of hedging instrument | 1,050 |  |  |
Average price of hedging instrument, full participation | 1,079 |  |  |
Hedging gains (losses) for hedge of group of items with offsetting risk positions |  |  | (435) |
Hedge margin call deposit |  |  | $ 435 |
Derivative contract for 15,000 ounces of Gold [member] | Commodity price risk [member] | Fidelity Printers [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Average rate of hedging instrument |  | 1.25% |  |
Current [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Total trade and other current receivables |  | $ 0 |  |

X
- Definition The average price of a hedging instrument at full participation. + References No definition available. + Details
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- Definition The number of ounces hedged in a derivative contract. + References No definition available. + Details
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- Definition The amount of a hedge margin call deposit. + References No definition available. + Details
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- Definition The average price of a hedging instrument. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 23B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_23B_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The fair value of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: At fair value [member]; Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 22 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_22_b&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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