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PROPERTY AND EQUIPMENT
3 Months Ended
Mar. 31, 2015
Property, Plant and Equipment [Abstract]  
Property and Equipment
PROPERTY AND EQUIPMENT

Property and equipment consisted of the following (in thousands):
 
March 31,
2015
 
December 31,
2014
Computer and office equipment
$
22,669

 
$
22,662

Software capitalized for internal use
15,198

 
14,914

Vehicles, including equipment acquired under capital leases
2,101

 
2,106

Medical equipment, including equipment acquired under capital leases
28,781

 
27,668

Work in progress
3,245

 
3,287

Furniture and fixtures
4,525

 
4,487

Leasehold improvements
13,735

 
13,690

 
90,254

 
88,814

Less: Accumulated depreciation
(54,322
)
 
(50,643
)
Property and equipment, net
$
35,932

 
$
38,171



The Company had an insignificant amount of vehicles and medical equipment under capital lease as of March 31, 2015 and December 31, 2014.

Depreciation Expense

Depreciation expense, including expense related to assets under capital lease, was $4.3 million and $3.8 million for the three months ended March 31, 2015 and 2014, respectively. Depreciation expense includes costs related to software capitalized for internal use of $0.6 million and $0.5 million for the three months ended March 31, 2015 and 2014, respectively.