XML 37 R24.htm IDEA: XBRL DOCUMENT v3.24.3
Property, Plant and Equipment, net (Tables)
9 Months Ended
Sep. 30, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Net Property, Plant and Equipment
Net property, plant and equipment consisted of:
September 30, 2024December 31, 2023
Machinery, equipment and tooling$41,832 $40,632 
SmartSystems
32,299 30,651 
Vehicles3,800 4,082 
Furniture and fixtures1,368 1,466 
Plant and building218,055 213,756 
Real estate properties6,980 7,209 
Railroad and sidings35,728 35,491 
Land and land improvements40,704 40,519 
Asset retirement obligations22,910 22,910 
Mineral properties7,442 7,442 
Deferred mining costs3,838 3,802 
Construction in progress4,612 6,270 
419,568 414,230 
Less: accumulated depreciation and depletion177,679 159,138 
Total property, plant and equipment, net$241,889 $255,092