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Short Term Debt (Tables)
 6 Months Ended
Jun. 30, 2014
Debt Disclosure [Abstract]  
Short Term Debt - Schedule of Short Term Debt
   
  (in thousands)  
  UBS short-term credit line  
      Beginning balance December 31, 2013 $ 802 
        Borrowing, including interest 104 
        Repayments   (906)
      Ending balance June 30, 2014 $   -   
Short Term Debt - For Period
(in thousands)

Three months ended

June 30,

Six months ended

June 30,

  2014 2013 2014 2013
Interest UBS short-term credit line $   -  $ 8  $ 4  $ 16