The following table provides the components of property, plant, and equipment, net (in thousands):
Depreciation Life
or Method
Year Ended December 31,
20252024
Production leach padsUnits-of-production$11,190 $11,190 
Test leach pads18 months6,241 6,241 
Process equipment
5 - 15 years
18,029 18,030 
Buildings and leasehold improvements
10 years
9,536 9,446 
Mine equipment
5 - 7 years
5,143 5,050 
Vehicles
3 - 5 years
1,854 1,854 
Furniture and office equipment
7 years
1,141 713 
Mineral propertiesIndefinite life50 50 
Construction in progress and other35,257 35,287 
88,441 87,861 
Less, accumulated depreciation and amortization(38,329)(36,273)
Total$50,112 $51,588 
Assets held-for-sale$2,893 $5,698 
Total$53,005 $57,286 

Historical Timeline

Fiscal YearFiled
2025Mar 3, 2026Showing above
2024Mar 5, 2025
2023Mar 14, 2024

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.