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Fair Value (Tables)
 3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Fair Value - March 31 2014
(in thousands) Level 1   Level 2   Level 3 Total  
Assets        
  Marketable equity securities $4,210  $      -    $-    $4,210 
Liabilities        
  RMB warrants -    400  -    400 
  Kinross calls 7      7 
Fair Value - December 31 2013
(in thousands) Level 1 Level 2 Level 3 Total
Assets        
  Marketable equity securities $3,973  $      -    $-    $3,973 
Liabilities        
  RMB warrants -    140  -    140 
  Kinross calls 3      3