Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2020

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

11.     Property, Plant and Equipment, Net

The components of property, plant and equipment are as follows:

	March 31,		December 31,
	2020		2019
	(in thousands)
Mineral properties	$	9,353	$	9,353
Exploration properties		2,518		2,518
Royalty properties		200		200
Buildings		3,755		3,755
Mining equipment and machinery		16,049		16,049
Other furniture and equipment		885		884
Asset retirement cost		948		866
		33,708		33,625
Less: Accumulated depreciation and amortization		(27,873)		(27,594)
	$	5,835	$	6,031

Equipment Related to the Oxide Plant Lease

Certain assets of the Company are related to the lease of the Velardeña oxide plant to Hecla (see Note 1). The net book value of the equipment involved in the lease was approximately $0.5 million for both the three months ended March 31, 2020 and the year ended December 31, 2019.