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v3.26.1

Property, plant, and equipment and assets held-for-sale, net (Tables) | 6 Months Ended
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Jun. 30, 2026
Property, Plant, and Equipment [Abstract] |
Schedule of Components of Plant and Equipment, Net | The following table provides the components of Property, plant, and equipment and assets held-for-sale, net (in thousands):
| Depreciation Life or Method |  | June 30, 2026 |  | December 31, 2025
Process equipment | 5 - 15 years |  | $ | 18,065 |  |  | $ | 18,029 |
Production leach pads | Units-of-production |  | 11,190 |  |  | 11,190 |
Buildings and leasehold improvements | 10 years |  | 9,189 |  |  | 9,536 |
Test leach pads | 18 months |  | 6,241 |  |  | 6,241 |
Mine equipment | 5 - 7 years |  | 5,191 |  |  | 5,143 |
Vehicles | 3 - 5 years |  | 1,854 |  |  | 1,854 |
Furniture and office equipment | 7 years |  | 1,219 |  |  | 1,141 |
Mineral properties | Indefinite life |  | 50 |  |  | 50 |
Construction in progress and other |  |  | 35,906 |  |  | 35,257 |
Sub-total |  |  | 88,905 |  |  | 88,441 |
Less, accumulated depreciation and amortization |  |  | (38,766) |  |  | (38,329) |
Total property, plant, and equipment, net |  |  | $ | 50,139 |  |  | $ | 50,112 |
Assets held-for-sale |  |  | 2,893 |  |  | 2,893 |
Total |  |  | $ | 53,032 |  |  | $ | 53,005 |

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- Definition Tabular disclosure of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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