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Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2014
Summary of Significant Accounting Policies [Abstract]  
Mineral properties
Our carrying balance in the Mt. Emmons property at September 30, 2014 and December 31, 2013 is as follows:

   
 
(In thousands)
 
 
September 30,
 
December 31,
 
 
2014
 
2013
 
Costs associated with Mount Emmons
  
 beginning of year
 
$
20,739
  
$
20,739
 
Property purchase (1)
  
1,203
   
--
 
Costs at the end of the period
 
$
21,942
  
$
20,739
 
 
(1)On January 21, 2014, the Company acquired Thompson Creek Metals' ("TCM") 50% interest in 160 acres of fee land in the vicinity of the Mt. Emmons project mining claims for $1.2 million.  The property was originally acquired jointly by the Company and TCM in January 2009.
Components of property and equipment
Components of Property, Plant and Equipment as of September 30, 2014 and December 31, 2013 are as follows:

   
 
(In thousands)
 
 
September 30,
 
December 31,
 
 
2014
 
2013
 
 Property, plant and equipment
 
$
8,345
  
$
8,334
 
 Less accumulated depreciation
  
(4,339
)
  
(4,135
)
 Net book value
 
$
4,006
  
$
4,199