Asset Retirement and Reclamation Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Asset Retirement and Reclamation Liabilities

Summary of activity in the Velardena Properties ARO

	Six Months Ended
	June 30,
	2020		2019
	(in thousands)
Beginning balance	$	2,825	$	2,660
Changes in estimates, and other		82		(60)
Accretion expense		121		55
Ending balance	$	3,028	$	2,655