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Asset Retirement Obligation and Reclamation Liabilities (Tables)
 6 Months Ended
Jun. 30, 2016
Asset Retirement Obligation and Reclamation Liabilities  
Summary of activity in the Velardena Properties ARO

 

 

 

 

 

 

 

 

 

 

Six Months Ended

 

 

 

June 30,

 

 

    

2016

    

2015

 

 

 

(in thousands)

 

Beginning balance

 

$
2,480

 

$
2,582

 

 

 

 

 

 

 

 

 

Changes in estimates, and other

 

 
(293)

 

 
(300)

 

Accretion expense

 

 
97

 

 
100

 

Ending balance

 

$
2,284

 

$
2,382