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Note 14 - Derivative Financial Instruments - Fair Value Losses on Derivative assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | $ 240 | $ 266 | $ 601
Gold loan agreement [member] |  |  |
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | 114 | 0 | 0
Call option [member] |  |  |
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | 21 | 0 | 0
Derivative liabilities [member] |  |  |
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | 135 | 0 | 0
Gold ETF [member] |  |  |
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | 105 | 164 | 0
Gold hedge [member] |  |  |
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | 0 | 102 | 601
Derivative assets [member] |  |  |
Statement Line Items [Line Items] |  |  |
Fair value losses on derivative financial instruments | $ 105 | $ 266 | $ 601

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- Definition The losses resulting from changes in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard -URIDate 2021-03-24 + Details
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