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Property, Plant, and Equipment, Net (Tables)
 9 Months Ended
Sep. 30, 2023
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		September 30,
2023		December 31,
2022
Production leach padsUnits-of-production$11,190 $11,190 
Test leach pads18 months6,241 6,241 
Process equipment
5 - 15 years
17,556 17,302 
Buildings and leasehold improvements
10 years
9,403 9,280 
Mine equipment
5 - 7 years
5,070 4,872 
Vehicles
3 - 5 years
1,700 1,578 
Furniture and office equipment
7 years
522 370 
Mineral properties(1)
Units-of-production50 — 
Construction in progress and other35,655 35,721 
87,387 86,554 
Less, accumulated depreciation and amortization(33,854)(31,722)
Total$53,533 $54,832 
(1)During the nine months ended September 30, 2023, the Company purchased a 50% undivided interest in patented mining claims located in Pershing County, Nevada for cash consideration of $0.1 million.