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Long Term Debt (Tables)
 3 Months Ended
Mar. 31, 2014
Debt Disclosure [Abstract]  
Long Term Debt - RMB Loan Summary
  RMB RMB RMB
  (in thousands) Loan borrowing Warrant discount

Long-term

Debt

      Beginning balance December 31, 2013 $ 3,500  $(356) $3,144 
        Borrowing  -       -   
        Amortization of discount to interest cost  -      54  54 
      Ending balance March 31, 2014 $3,500  $(302) 3,198 
Long Term Debt - RMB Interest
(in thousands)

Three months ended

March 31,

  2014 2013
Interest paid in cash $ 46  $ 27 
Amortization of the RMB Warrants discount 54  54 
Amortization of RMB deferred financing costs   49    49 
  Total interest expense related to the RMB Loan $149  $130