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Note 18 - Property, Plant and Equipment (Details Textual) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2021 oz | Jun. 30, 2021 oz | Aug. 31, 2015 oz | Mar. 31, 2023 | Dec. 31, 2023 USD ($) oz | Dec. 31, 2023 USD ($) oz | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Oct. 26, 2023 USD ($) | Oct. 06, 2023 USD ($) | Sep. 29, 2023 USD ($) | Jun. 27, 2023 USD ($)
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Additions other than through business combinations, property, plant and equipment |  |  |  |  |  | $ 29,606,000 | $ 48,220,000 |  |  |  |  |
Impairment loss recognised in profit or loss, property, plant and equipment |  |  |  |  |  | 877,000 | 8,209,000 | $ 498,000 |  |  |  |
Total property, plant and equipment |  |  |  |  | $ 179,649,000 | 179,649,000 | 178,983,000 |  |  |  |  |
Notional amount |  |  |  |  | 12,000 | 12,000 |  |  |  |  |  |
Impairment loss for oxide assets, carrying value |  |  |  |  |  |  |  |  |  |  |  | $ 851,000
Gold price, price per ounce |  |  |  |  |  |  |  |  | $ 1,900 |  |  |
Production per annum (Ounce) | oz | 57,000 | 57,000 |  |  |  |  |  |  |  |  |  |
Peak capex |  |  |  |  | $ 30,800,000 | $ 30,800,000 |  |  |  |  |  |
Weighted average cost of capital, percentage |  |  |  |  | 15.40% | 15.40% |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  | 25.75% |  |  |  |  |  |
Estimated production in mine remaining (Ounce) | oz |  |  |  |  | 160,000 | 160,000 |  |  |  |  |  |
Useful life measured as period of time, property, plant and equipment (Year) |  |  |  | 10 years | 5 years |  |  |  |  |  |  |
Total capital commitments |  |  |  |  | $ 2,035,000 | $ 2,035,000 | 4,066,000 |  |  |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Gold price, price per ounce |  |  |  |  | $ 1,748 | $ 1,748 |  |  |  |  |  |
Grade range |  |  |  |  | 3.14 | 3.14 |  |  |  |  |  |
Production per annum (Ounce) | oz |  |  | 75,000 |  |  | 77,822 |  |  |  |  |  |
On mine cost |  |  |  |  | $ 892 | $ 892 |  |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Gold price, price per ounce |  |  |  |  | $ 2,034 | $ 2,034 |  |  |  | $ 1,900 | $ 1,900 |
Grade range |  |  |  |  | 3.29 | 3.29 |  |  |  |  |  |
Production per annum (Ounce) | oz |  |  | 80,000 |  |  | 81,446 |  |  |  |  |  |
On mine cost |  |  |  |  | $ 1,427 | $ 1,427 |  |  |  |  |  |
Construction in progress [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Additions other than through business combinations, property, plant and equipment |  |  |  |  |  | $ 1,962,000 | 468,000 |  |  |  |  |
Development assets [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Impairment loss recognised in profit or loss, property, plant and equipment |  |  |  |  |  |  | 8,518,000 |  |  |  |  |
Power generating assets [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Impairment loss recognised in profit or loss, property, plant and equipment |  |  |  |  |  |  | 791,000 |  |  |  |  |
Loader bottom decks [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Impairment loss recognised in profit or loss, property, plant and equipment |  |  |  |  |  |  | 101,000 |  |  |  |  |
Impaired assets [member] |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total property, plant and equipment |  |  |  |  |  |  | $ 0 |  |  |  |  |

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- Definition Represents the price per ounce for gold. + References No definition available. + Details
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- Definition Represents the carrying value for impairment loss for oxide assets. + References No definition available. + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_c&doctype=Standard -URIDate 2023-03-23 + Details
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