Asset Retirement and Reclamation Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Asset Retirement and Reclamation Liabilities

Summary of activity in the Velardena Properties ARO

	Three Months Ended
	March 31,
	2020		2019
	(in thousands)
Beginning balance	$	2,825	$	2,660
Changes in estimates, and other		82		(60)
Accretion expense		59		55
Ending balance	$	2,966	$	2,655