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Note 17 - Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2022
Statement Line Items [Line Items] |
Disclosure of detailed information about property, plant and equipment [text block] |
Cost |  | Land and Buildings |  |  | Right of use assets |  |  | Mine development, infrastructure and other |  |  | Assets under construction and decommissioning assets |  |  | Plant and equipment |  |  | Furniture and fittings |  |  | Motor vehicles |  |  | Solar Plant& |  |  | Total |
Balance at January 1, 2021 |  |  | 11,315 |  |  |  | 442 |  |  |  | 23,983 |  |  |  | 84,856 |  |  |  | 40,644 |  |  |  | 1,235 |  |  |  | 2,995 |  |  |  | 392 |  |  |  | 165,862 |
Additions* |  |  | – |  |  |  | 528 |  |  |  | 678 |  |  |  | 24,851 |  |  |  | 3,531 |  |  |  | 134 |  |  |  | 176 |  |  |  | 1,581 |  |  |  | 31,479 |
Impairments@ |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (65 | ) |  |  | (1,565 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (1,630 | )
Derecognised plant and equipment |  |  | – |  |  |  | (402 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (402 | )
Reallocations between asset classes # |  |  | 3,120 |  |  |  | – |  |  |  | 49,253 |  |  |  | (74,166 | ) |  |  | 21,785 |  |  |  | 8 |  |  |  | – |  |  |  | – |  |  |  | – |
Foreign exchange movement |  |  | – |  |  |  | (25 | ) |  |  | – |  |  |  | – |  |  |  | (76 | ) |  |  | (35 | ) |  |  | (2 | ) |  |  | (33 | ) |  |  | (171 | )
Balance at December 31, 2021 |  |  | 14,435 |  |  |  | 543 |  |  |  | 73,914 |  |  |  | 35,476 |  |  |  | 64,319 |  |  |  | 1,342 |  |  |  | 3,169 |  |  |  | 1,940 |  |  |  | 195,138 |
Balance at January 1, 2022 |  |  | 14,435 |  |  |  | 543 |  |  |  | 73,914 |  |  |  | 35,476 |  |  |  | 64,319 |  |  |  | 1,342 |  |  |  | 3,169 |  |  |  | 1,940 |  |  |  | 195,138 |
Additions |  |  | – |  |  |  | – |  |  |  | – |  |  |  | 31,711 |  |  |  | 3,049 |  |  |  | 243 |  |  |  | 147 |  |  |  | 12,198 |  |  |  | 47,348 |
Impairments@ |  |  | – |  |  |  | – |  |  |  | (8,518 | ) |  |  | – |  |  |  | (998 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (9,516 | )
Reallocations between asset classes |  |  | 759 |  |  |  | – |  |  |  | 15,886 |  |  |  | (20,734 | ) |  |  | 4,089 |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Acquisition of Bilboes oxide assets (Tribute) |  |  | – |  |  |  | – |  |  |  | 872 |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | 872 |
Foreign exchange movement |  |  | – |  |  |  | (18 | ) |  |  | – |  |  |  | – |  |  |  | 26 |  |  |  | (22 | ) |  |  | (2 | ) |  |  | – |  |  |  | (16 | )
Balance at December 31, 2022 |  |  | 15,194 |  |  |  | 525 |  |  |  | 82,154 |  |  |  | 46,453 |  |  |  | 70,485 |  |  |  | 1,563 |  |  |  | 3,314 |  |  |  | 14,138 |  |  |  | 233,826 |
Accumulated depreciation and Impairment losses |  | Land and Buildings |  |  | Right of use assets |  |  | Mine development, infrastructure and other |  |  | Assets under construction and decommissioning assets |  |  | Plant and equipment |  |  | Furniture and fittings |  |  | Motor vehicles |  |  | Solar Plant |  |  | Total |
Balance at January 1, 2021 |  |  | 6,233 |  |  |  | 213 |  |  |  | 6,443 |  |  |  | 530 |  |  |  | 22,685 |  |  |  | 849 |  |  |  | 2,430 |  |  |  | – |  |  |  | 39,383 |
Depreciation for the year |  |  | 1,102 |  |  |  | 115 |  |  |  | 2,467 |  |  |  | 70 |  |  |  | 3,953 |  |  |  | 136 |  |  |  | 203 |  |  |  | – |  |  |  | 8,046 |
Derecognition |  |  | – |  |  |  | (230 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (230 | )
Accumulated depreciation for impairments |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (1,133 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (1,133 | )
Foreign exchange movement |  |  | – |  |  |  | (1 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (27 | ) |  |  | (2 | ) |  |  | – |  |  |  | (30 | )
Balance at December 31, 2021 |  |  | 7,335 |  |  |  | 97 |  |  |  | 8,910 |  |  |  | 600 |  |  |  | 25,505 |  |  |  | 958 |  |  |  | 2,631 |  |  |  | – |  |  |  | 46,036 |
Balance at January 1, 2022 |  |  | 7,335 |  |  |  | 97 |  |  |  | 8,910 |  |  |  | 600 |  |  |  | 25,505 |  |  |  | 958 |  |  |  | 2,631 |  |  |  | – |  |  |  | 46,036 |
Depreciation for the year |  |  | 1,015 |  |  |  | 137 |  |  |  | 3,990 |  |  |  | 93 |  |  |  | 4,527 |  |  |  | 163 |  |  |  | 216 |  |  |  | – |  |  |  | 10,141 |
Accumulated depreciation for impairments |  |  | – |  |  |  | – |  |  |  | (532 | ) |  |  | – |  |  |  | (775 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (1,307 | )
Foreign exchange movement |  |  | – |  |  |  | (4 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | (21 | ) |  |  | (2 | ) |  |  | – |  |  |  | (27 | )
Balance at December 31, 2022 |  |  | 8,350 |  |  |  | 230 |  |  |  | 12,368 |  |  |  | 693 |  |  |  | 29,257 |  |  |  | 1,100 |  |  |  | 2,845 |  |  |  | – |  |  |  | 54,843 |
Carrying amounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
At December 31, 2021 |  |  | 7,100 |  |  |  | 446 |  |  |  | 65,004 |  |  |  | 34,876 |  |  |  | 38,814 |  |  |  | 384 |  |  |  | 538 |  |  |  | 1,940 |  |  |  | 149,102 |
At December 31, 2022 |  |  | 6,844 |  |  |  | 295 |  |  |  | 69,786 |  |  |  | 45,760 |  |  |  | 41,228 |  |  |  | 463 |  |  |  | 469 |  |  |  | 14,138 |  |  |  | 178,983 |
Disclosure of non-cash items excluded from acquisition of property, plant and equipment [text block] |
|  | 2022 |  |  | 2021 |
Net Property, plant and equipment included in Prepayments |  |  | (4,445 | ) |  |  | 893 |
Net Property, plant and equipment included in Trade and other payables |  |  | (1,876 | ) |  |  | 50 |
Bilboes oxide project payable (note 29) |  |  | (872 | ) |  |  | - |
Change in estimate - adjustment capitalised in Property, plant and equipment (note 28) |  |  | 468 |  |  |  | 408 |
Acquisition - Maligreen included in Provisions (note 28) |  |  | - |  |  |  | (135 | )
Additions to right of use assets (note 19) |  |  | - |  |  |  | (528 | )
Derecognition of right of use assets (note 19) |  |  | - |  |  |  | 172 |
Finance cost – Capitalised to property, plant and equipment (note 15) |  |  | - |  |  |  | (17 | )
Total non-cash items excluded from acquisition of Property, plant and equipment |  |  | (6,725 | ) |  |  | 843 |

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