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Commitment and Contingencies (Tables)
12 Months Ended
Dec. 31, 2013
Commitment And Contingencies Tables  
Future minimum rental payments

Future minimum rental payments required as of December 31, 2013, remaining under the non-cancelable leases are as follows (in thousands):

 

Years Ending December 31,   Leases  
2014   $ 171  
2015     161  
2016     165  
2017     170  
2018     43  
    $ 711