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Note 12 - Share-based Payments - Cash-settled Share-based Payments and Share-based Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement Line Items [Line Items] |  |  |
Cash-settled share-based payment expense | $ 477 | $ 1,413 | $ 689
Restricted and performance share units [member] |  |  |
Statement Line Items [Line Items] |  |  |
Cash-settled share-based payment expense | 515 | 1,299 | 616
Cash-settled awards [member] |  |  |
Statement Line Items [Line Items] |  |  |
Cash-settled share-based payment expense | $ (38) | $ 114 | $ 73

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- Definition The amount of expense arising from cash-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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