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Note 30 - Share-based Payments - Other Equity Share Units Granted (Details) - Cash-settled awards [member]	1 Months Ended	12 Months Ended
	Jul. 31, 2017	Dec. 31, 2020	Dec. 31, 2019
Statement Line Items [Line Items]
Grants	52,282
Awards paid out/ expired		(11,941)	(44,985)
Total awards outstanding		3,011	7,297
Estimated awards expected to vest		100.00%	100.00%
July 2017 [member]
Statement Line Items [Line Items]
Grants			37,330
August 2018 [member]
Statement Line Items [Line Items]
Grants		5,918	5,918
August 2019 [member]
Statement Line Items [Line Items]
Grants		9,034	9,034

X

- Definition

The estimated percentage of awards that are expected to vest.

+ References

No definition available.

+ Details

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- References

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+ Details

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X

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 47
-Subparagraph b
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-Paragraph 45
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- Definition

The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
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- Definition

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+ References

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