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Notes Payable and Other Obligations (Tables)
 12 Months Ended
Dec. 31, 2012
Notes Payable and Other Obligations [Abstract]  
Future minimum lease payments under non-cancelable notes payable, operating and capital leases
                 
    Notes and
Capital		     Operating  
    Leases     Leases  

2013

   $ 165     $ 1,806  

2014

     89       1,875  

2015

     33       1,406  
   

 

 

    

 

 

  

Total future minimum lease payments

     287     $ 5,087  
           

 

 

  

Less amount representing interest

     (29 )         
   

 

 

          

Present value of net minimum lease payments

     258          

Less current portion

     (144 )         
   

 

 

          

Notes payable and other obligations

   $ 114