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Fair Value (Tables)
 9 Months Ended
Sep. 30, 2014
Notes to Financial Statements  
Assets and Liabilities Measured at Fair Value on a Recurring Basis September 30, 2014
(in thousands) Level 1   Level 2   Level 3 Total  
Assets        
  Marketable equity securities $3,012  $      -    $-    $3,012 
Liabilities        
  RMB warrants -    282  -    282 
Assets and Liabilities Measured at Fair Value on a Recurring Basis 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