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PROPERTY AND EQUIPMENT
6 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
PROPERTY AND EQUIPMENT

Property and equipment consisted of the following (in thousands):
 
June 30,
2013
 
December 31,
2012
Computer and office equipment, including equipment acquired under capital leases
$
15,500

 
$
14,443

Software capitalized for internal use
10,308

 
9,939

Vehicles, including equipment acquired under capital leases
1,603

 
1,540

Medical equipment
19,066

 
16,466

Work in progress
9,585

 
4,315

Furniture and fixtures
3,784

 
3,219

Leasehold improvements
9,866

 
7,164

 
69,712

 
57,086

Less: Accumulated depreciation
(37,792
)
 
(33,365
)
Property and equipment, net
$
31,920

 
$
23,721



The Company had an insignificant amount of vehicles under capital lease as of June 30, 2013 and December 31, 2012.

Depreciation Expense

Depreciation expense, including expense related to assets under capital lease, was $2.6 million and $2.1 million for the three months ended June 30, 2013 and 2012, and $5.0 million and $4.0 million for the six months ended June 30, 2013 and 2012, respectively. Depreciation expense includes costs related to software capitalized for internal use of $0.3 million and $0.5 millionfor the three months ended June 30, 2013 and 2012, and $0.7 million and $1.2 million for the six months ended June 30, 2013 and 2012, respectively.