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PROPERTY, PLANT AND EQUIPMENT AND MINERAL PROPERTIES (Tables) | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Schedule of Property, Plant and Equipment | The following is a summary of property, plant and equipment, net:
| Estimated |  | December 31,
| Useful Lives |  | 2023 |  | 2022
Land | N/A |  | $ | 642 |  |  | $ | 642 |
Plant facilities | 12 - 15 years |  | 29,750 |  |  | 29,509 |
Mining equipment | 5 years |  | 13,019 |  |  | 10,560 |
Light trucks and utility vehicles | 5 years |  | 3,256 |  |  | 2,867 |
Office furniture and equipment | 4 - 7 years |  | 1,754 |  |  | 1,585 |
Construction-in-progress | N/A |  | 13,627 |  |  | 673 |
Total property, plant and equipment |  |  | $ | 62,048 |  |  | $ | 45,836 |
Less: accumulated depreciation |  |  | (35,925) |  |  | (33,174) |
Property, plant and equipment, net |  |  | $ | 26,123 |  |  | $ | 12,662 |
As of December 31, 2022, the net book value of the property, plant and equipment attributable Alta Mesa, which the Company sold to enCore effective February 14, 2023, was $8.21 million and is included in Property, plant and equipment and other assets held for sale, net on the Consolidated Balance Sheet.
Schedule of Summary of Mineral Properties | The following is a summary of mineral properties:
| December 31,
| 2023 |  | 2022
Sheep Mountain | $ | 34,183 |  |  | $ | 34,183 |
Bahia Project | 29,130 |  |  | — |
Nichols Ranch ISR Project | 25,974 |  |  | 25,974 |
Roca Honda | 22,095 |  |  | 22,095 |
Pinyon Plain | 6,512 |  |  | — |
Other | 1,687 |  |  | 1,287 |
Mineral properties total | $ | 119,581 |  |  | $ | 83,539 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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