v2.4.1.9
Property and Equipment, Net
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property and Equipment, net
NOTE 3.
Property and Equipment, Net

Property and equipment, which includes assets under capital lease, consists of the following:
 
 
December 31,
 
 
2014
 
2013
 
 
(in thousands)
Computer equipment
 
$
35,576

 
$
27,464

Computer software
 
10,899

 
9,277

Furniture, fixtures and equipment
 
2,931

 
2,031

Scanner appliances
 
19,861

 
17,055

Leasehold improvements
 
2,622

 
2,100

Total property and equipment
 
71,889

 
57,927

Less: accumulated depreciation and amortization
 
(45,271
)
 
(34,852
)
Property and equipment, net
 
$
26,618

 
$
23,075



There were no assets under capital lease at December 31, 2014. Assets held under capital lease at December 31, 2013 included in computer software totaled approximately $3.1 million, and the related accumulated depreciation totaled $1.2 million.

Physical scanner appliances and other computer equipment that are or will be subject to subscriptions by customers have a net carrying value of $6.0 million and $4.7 million at December 31, 2014 and 2013, respectively, including assets that have not been placed in service of $1.4 million and $0.6 million, respectively. Other fixed assets not placed in service at December 31, 2014 and 2013, included in computer equipment and leasehold improvements, were $2.8 million and $1.6 million, respectively. Depreciation and amortization expense relating to property and equipment, including capitalized leases, was $11.5 million, $9.2 million and $6.9 million for 2014, 2013 and 2012, respectively.