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Commitments (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments [Abstract]  
Future Minimum Required Lease Payments
The following table summarizes our contractual obligations, including interest expense, and commitments as of December 31, 2013:

 
 
Total
  
2014
  
2015
  
Thereafter
 
Contractual obligations
 
$
3,750
  
$
3,750
  
$
—
   
—
 
 
                
Leases
  
102
   
56
   
46
   
—
 
Total
 
$
3,852
  
$
3,806
  
$
46
   
—