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Property, Plant, and Equipment, Net (Tables)
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Components of Plant and Equipment, Net
The following table provides the components of property, plant, and equipment, net (in thousands):
Depreciation Life
or Method		Year Ended December 31,
20242023
Production leach padsUnits-of-production$11,190 $11,190 
Test leach pads18 months6,241 6,241 
Process equipment
5 - 15 years
18,030 17,556 
Buildings and leasehold improvements
10 years
9,446 9,419 
Mine equipment
5 - 7 years
5,050 4,732 
Vehicles
3 - 5 years
1,854 1,700 
Furniture and office equipment
7 years
713 713 
Mineral propertiesUnits-of-production50 50 
Construction in progress and other35,287 35,504 
87,861 87,105 
Less, accumulated depreciation and amortization(36,273)(34,014)
Total$51,588 $53,091