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Note 18 - Exploration and Evaluation Assets (Details Textual) $ in Thousands |  |  |  | 12 Months Ended | 13 Months Ended | 25 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 03, 2021 USD ($) ha oz t | Dec. 16, 2020 USD ($) | Nov. 19, 2020 | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Nov. 09, 2022 USD ($) | Nov. 07, 2022 oz t | Nov. 01, 2022 USD ($) oz
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash flows from (used in) exploration for and evaluation of mineral resources, classified as investing activities |  |  |  | $ (2,596) | $ (5,717) | $ (2,759) |  |  |  |  |
Total trade and other current payables |  |  |  | 17,454 | 9,957 |  | $ 9,957 | $ 17,454 |  |  |
Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, exploration and evaluation assets |  |  |  | 467 | 3,837 | $ 2,930 |  |  |  |  |
Motapa [member] |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash transferred |  |  |  |  |  |  |  |  | $ 41,000 |  | $ 1,000
Financial liabilities recognised as of acquisition date |  |  |  |  |  |  |  |  |  |  | $ 0
Motapa [member] |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Historic gold mined, mass (Ounce) | oz |  |  |  |  |  |  |  |  |  |  | 300,000
Maligreen [member] |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Historic gold mined, mass (Ounce) | oz | 20,000 |  |  |  |  |  |  |  |  |  |
Cash flows from (used in) exploration for and evaluation of mineral resources, classified as investing activities | $ (4,000) |  |  |  |  |  |  |  |  |  |
Inferred Mineral Resource (Ounce) | 940,000 |  |  |  |  |  |  |  |  | 6,170,000 |
Exploration and evaluation work, period (Year) | 30 years |  |  |  |  |  |  |  |  |  |
Estimated meters of diamond core and percussion drilling | 60,000 |  |  |  |  |  |  |  |  |  |
Estimated bulk metallurgical test work (Metric Ton) | t | 3.5 |  |  |  |  |  |  |  |  |  |
Area of land (Hectare) | ha | 550 |  |  |  |  |  |  |  |  |  |
Indicated mineral resources (Metric Ton) | t |  |  |  |  |  |  |  |  |  | 8,030,000.00 |
Grade of indicated mineral resources |  |  |  |  |  |  |  |  |  | 1.71 |
Estimated gold in mineral resources (Ounce) | oz |  |  |  |  |  |  |  |  |  | 442,000 |
Grade of inferred mineral resources |  |  |  |  |  |  |  |  |  | 2.12 |
Estimated gold in inferred mineral resource (Ounce) | oz |  |  |  |  |  |  |  |  |  | 420,000 |
Maligreen [member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Period of initial exploration and evaluation work (Month) | 18 months |  |  |  |  |  |  |  |  |  |
Connemara North [Member] |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total trade and other current payables |  | $ 300 |  |  |  |  |  |  |  |  |
Period of option agreement (Month) |  | 18 months |  |  |  |  |  |  |  |  |
Payments for exploration and evaluation expenses |  |  |  |  |  |  |  | 500 |  |  |
Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, exploration and evaluation assets |  |  |  | 500 |  |  |  |  |  |  |
Expected exploration and evaluation of mineral resources expenses |  |  |  | $ 0 |  |  |  | $ 0 |  |  |
Glen Hume [Member] |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |
Period of option agreement (Month) |  |  | 15 months |  |  |  |  |  |  |  |
Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, exploration and evaluation assets |  |  |  |  | 3,800 |  | 3,800 |  |  |  |
Expected exploration and evaluation of mineral resources expenses |  |  |  |  | $ 0 |  | $ 0 |  |  |  |

X
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