XML 39 R26.htm IDEA: XBRL DOCUMENT
v3.25.3

Property, Plant and Equipment, net (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Property, Plant and Equipment [Abstract] |
Schedule of Net Property, Plant and Equipment | Net property, plant and equipment consisted of:
| September 30, 2025 |  | December 31, 2024
Machinery, equipment and tooling | $ | 47,305 |  |  | $ | 43,041 |
SmartSystems | 32,583 |  |  | 32,551 |
Vehicles | 4,201 |  |  | 3,961 |
Furniture and fixtures | 1,420 |  |  | 1,368 |
Plant and building | 222,768 |  |  | 218,546 |
Real estate properties | 7,726 |  |  | 7,161 |
Railroad and sidings | 36,676 |  |  | 35,728 |
Land and land improvements | 40,627 |  |  | 40,627 |
Asset retirement obligations | 23,283 |  |  | 23,283 |
Mineral properties | 7,442 |  |  | 7,442 |
Deferred mining costs | 6,067 |  |  | 4,434 |
Construction in progress | 2,788 |  |  | 3,216 |
| 432,886 |  |  | 421,358 |
Less: accumulated depreciation and depletion | 205,248 |  |  | 184,666 |
Total property, plant and equipment, net | $ | 227,638 |  |  | $ | 236,692 |

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration