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Property and Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment consist of the following (in thousands):

December 31,
2013
 
December 31,
2012
Equipment
$
40,180

 
$
32,528

Furniture and fixtures
5,260

 
5,126

Leasehold improvements
7,394

 
6,992

Purchased software
20,199

 
19,870

Construction in process
2,649

 
2,693


75,682

 
67,209

Accumulated depreciation and amortization
(40,428
)
 
(33,102
)
Property and equipment, net
$
35,254

 
$
34,107


 
Depreciation and amortization of property and equipment was approximately $10.9 million, $8.0 million, and $5.7 million for the years ended December 31, 2013, 2012 and 2011, respectively.