Plant and Equipment, Net (Tables)

6 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

Components of plant and equipment, net

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

	Depreciation Life or Method	June 30, 2022		December 31, 2021
Production leach pads	Units-of-production	$	11,190	$	11,190
Test leach pads	18 months	6,241		6,241
Process equipment	5 - 15 years	17,712		17,735
Buildings and leasehold improvements	10 years	9,280		9,280
Mine equipment	5 - 7 years	6,025		6,224
Vehicles	3 - 5 years	1,454		1,454
Furniture and office equipment	7 years	365		330
Construction in progress and other		35,613		35,794
		$	87,880	$	88,248
Less, accumulated depreciation and amortization		(31,198)		(29,764)
Total		$	56,682	$	58,484