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Asset Retirement Obligation and Reclamation Liabilities (Tables)
 3 Months Ended
Mar. 31, 2017
Asset Retirement Obligation and Reclamation Liabilities  
Summary of activity in the Velardena Properties ARO

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

 

March 31,

 

 

    

2017

    

2016

 

 

 

(in thousands)

 

Beginning balance

 

$

2,380

 

$

2,480

 

 

 

 

 

 

 

 

 

Changes in estimates, and other

 

 

(128)

 

 

(293)

 

Accretion expense

 

 

49

 

 

50

 

Ending balance

 

$

2,301

 

$

2,237