Schedule of Net Property, Plant and Equipment |
Net property, plant and equipment consisted of: | | | | | | | | | | | | | June 30, 2024 | | December 31, 2023 | Machinery, equipment and tooling | $ | 42,434 | | | $ | 40,632 | | SmartSystems | 31,127 | | | 30,651 | | Vehicles | 4,225 | | | 4,082 | | Furniture and fixtures | 1,479 | | | 1,466 | | Plant and building | 216,460 | | | 213,756 | | Real estate properties | 7,209 | | | 7,209 | | Railroad and sidings | 35,719 | | | 35,491 | | Land and land improvements | 40,528 | | | 40,519 | | Asset retirement obligations | 22,910 | | | 22,910 | | Mineral properties | 7,442 | | | 7,442 | | Deferred mining costs | 3,906 | | | 3,802 | | Construction in progress | 6,121 | | | 6,270 | | | 419,560 | | | 414,230 | | Less: accumulated depreciation and depletion | 173,030 | | | 159,138 | | Total property, plant and equipment, net | $ | 246,530 | | | $ | 255,092 | |
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