Annual report pursuant to Section 13 and 15(d)

Asset Retirement and Reclamation Obligations (Details)

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Asset Retirement and Reclamation Obligations (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Asset retirement obligations    
Beginning of year $ 957 $ 0
Liabilities incurred 10,639 580
ARO transferred from reclamation obligations 0 377
Assumed in Pathfinder Mining Corporation purchase 5,656 0
Accretion expense 27 0
End of year $ 17,279 $ 957