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Short Term Debt (Tables)
 3 Months Ended
Mar. 31, 2014
Debt Disclosure [Abstract]  
Short Term Debt - Detail
   
  (in thousands)  
  UBS short-term credit line  
      Beginning balance December 31, 2013 $ 802 
        Borrowing, including interest 104 
        Repayments   (906)
      Ending balance March 31, 2014 $   -   
Short Term Debt - For Period
(in thousands)

Three months ended

March 31,

  2014 2013
Interest UBS short-term credit line $ 4  $ 8