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Fair Value (Tables)
 9 Months Ended
Sep. 30, 2013
Notes to Financial Statements  
Assets and Liabilities at Fair Value Sept. 30 2013
(in thousands) Level 1   Level 2   Level 3 Total  
Assets        
  Marketable equity securities $4,022  $      -    $-    $4,022 
Liabilities        
  RMB warrants -    282  -    282 
  Kinross calls 26  -    -    26