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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Summary of Rental Expense Under Operating Leases
Rent expense related to our operating leases for the years ended December 31, 2015, 2014 and 2013, was as follows (in thousands):
 
For the Years Ended December 31,
 
2015
 
2014
 
2013
Rent expense
$
2,099

 
$
1,867

 
$
809

Less: income from subleases
(9
)
 
(11
)
 

Net rent expense
$
2,090

 
$
1,856

 
$
809

Schedule of Future Lease Obligations Under Operating Leases
Future lease obligations under our operating leases as of December 31, 2015, were as follows (in thousands):
Year
 
 
2016
 
$
1,327

2017
 
1,049

2018
 
201

2019
 
4

Total lease commitments
 
2,581

Less: income from subleases
 
(302
)
Net lease commitments
 
$
2,279