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Note 31 - Cash Flow Information - Non-cash Items and Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement Line Items [Line Items] |  |  |
Operating profit | $ 40,276 | $ 38,360 | $ 40,735
Impairment of property, plant and equipment (note 17) | 8,209 | 497 | 0
Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, exploration and evaluation assets | 467 | 3,837 | 2,930
Unrealised foreign exchange gains (note 13) | (12,736) | (2,754) | (8,367)
Cash-settled share-based expense (note 12.1) | 609 | 477 | 1,413
Cash-settled share-based expense included in production costs (note 9) | 853 | 692 | 634
Cash portion of cash-settled share-based expense (note 12.1) | (1,468) | (420) | (1)
Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets | 484 | (0) | (0)
Depreciation (note 17) | 10,141 | 8,046 | 4,628
Fair value loss on derivative instruments (note 14) | 401 | 240 | 266
Write-down of inventory | 563 | 0 | 0
Derecognition of property, plant and equipment | 0 | (38) | 182
Expected credit losses on deferred consideration on the disposal of subsidiary | 0 | 761 | 0
Cash generated from operations before working capital changes | 47,799 | 49,698 | 42,420
Inventories | 1,915 | (4,016) | (5,707)
Prepayments | (1,375) | (4,272) | 816
Trade and other receivables | (1,561) | (4,746) | 539
Trade and other payables | 2,879 | 2,039 | (101)
Cash generated from operations | $ 49,657 | $ 38,703 | $ 37,967

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