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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingencies [Abstract]  
Future minimum rental payments under the non-cancelable operating leases
         

As of December 31, 2012

 

2013

  $ 309  

2014

    226  

2015

    71  
   

 

 

 

Total

  $ 606