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Note 28 - Provisions - Reconciliation of Site Restoration Provision (Details) - Provision for decommissioning, restoration and rehabilitation costs [member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Statement Line Items [Line Items]
Balance January 1	$ 3,346	$ 3,309
Unwinding of discount	2	20
Change in estimate - adjustment capitalised in Property, plant and equipment	219	17
Balance December 31	$ 3,567	$ 3,346

X

- Definition

The increase (decrease) in other provisions resulting from a change in discount rate adjustment capitalised in property, plant, and equipment.

+ References

No definition available.

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- References

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X

- Definition

The increase in other provisions through adjustments arising from the passage of time. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2020-01-01
-Paragraph 84
-Subparagraph e
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X

- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2020-01-01
-Paragraph 84
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