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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments And Contingencies Disclosure [Abstract]  
Future Minimum Rental Payments Under the Non-cancelable Operating Leases

The following table provides future minimum rental payments required under the non-cancelable operating leases as of the date presented (in thousands):

 

As of December 31, 2014

 

2015

 

$

140

 

Total

 

$

140