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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2014
Property And Equipment [Abstract]  
Schedule Of Property And Equipment

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31,

 

December 31,

 

2013

 

2014

Computers and equipment

$
9,960 

 

$
13,670 

Software and software development costs

 
64,241 

 

 
77,104 

Furniture and fixtures

 
2,815 

 

 
3,306 

Leasehold improvements

 
5,840 

 

 
8,285 

 

$
82,856 

 

$
102,365 

Less accumulated depreciation and amortization

 
(56,324)

 

 
(63,228)

Property and equipment, net

$
26,532 

 

$
39,137