Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

The following table provides the components of Property, plant and equipment, net (in thousands):

	Depreciation Life or Method	March 31, 2023		December 31, 2022
Production leach pads	Units-of-production	$	11,190	$	11,190
Test leach pads	18 months	6,241		6,241
Process equipment	5 - 15 years	17,302		17,302
Buildings and leasehold improvements	10 years	9,342		9,280
Mine equipment	5 - 7 years	4,975		4,872
Vehicles	3 - 5 years	1,578		1,578
Furniture and office equipment	7 years	370		370
Mineral properties(1)	Units-of-production	50		—
Construction in progress and other		35,780		35,721
		$	86,828	$	86,554
Less, accumulated depreciation and amortization		(32,447)		(31,722)
Total		$	54,381	$	54,832

(1)During the three months ended March 31, 2023, the Company purchased a 50% undivided interest in patented mining claims located in Pershing County, Nevada for cash consideration of $0.05 million.

During the three months ended March 31, 2023, there were no events or changes in circumstances that would have required the Company to evaluate the current carrying value of its Property, plant and equipment, net for recoverability. Depreciation expense related to Property, plant and equipment, net was $0.7 million and $0.9 million for the three months ended March 31, 2023 and 2022, respectively.