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Note 12 - Leases - Financial Statement Amounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement Line Items [Line Items] |  |  |  |  |
Finance cost on lease liabilities | $ 15 | $ 17 |  |  |
Unrealised foreign exchange gain | (2) | 4 |  |  |
Depreciation | 99 | 112 |  |  |
Lease expense | 112 | 133 |  |  |
Total cash outflow for leases - principal | 118 | 124 | [1] |  | [1]
Total cash outflow for leases - finance cost | $ (15) | $ (17) |  |  |
[1] | The Group voluntarily changed its disclosure policy for exploration and evaluation assets to be disclosed separately as Acquisition of exploration and evaluation assets rather than as part of Acquisition of property, plant and equipment (refer to note 4(b)(i)). The new disclosure policy was adopted from December 10, 2020 and has been applied retrospectively.

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- Definition Adjustments for unrealised foreign exchange losses (gains) related to leases to reconcile profit (loss) to net cash flow from (used in) operating activities. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The cash outflow for interest paid related to lease liabilities. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of recognized lease expense. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of interest expense on lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 17 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_17_e&doctype=Standard -URIDate 2020-01-01 + Details
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