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Note 30 - Share-based Payments - Cash-settled Share-based Payments and Share-based Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement Line Items [Line Items]
Cash-settled share-based payment expense	$ 1,413	$ 689	$ 315
Equity-settled share-based payment expense			14
Restricted and performance share units [member]
Statement Line Items [Line Items]
Cash-settled share-based payment expense	1,299	616	218
Share option programmes [member]
Statement Line Items [Line Items]
Equity-settled share-based payment expense			14
Cash-settled awards [member]
Statement Line Items [Line Items]
Cash-settled share-based payment expense	$ 114	$ 73	$ 97

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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 in which goods or services received did not qualify for recognition as assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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