PROPERTY AND EQUIPMENT

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Property and Equipment

PROPERTY AND EQUIPMENT

Property and equipment consisted of the following (in thousands):

	June 30, 2014			December 31, 2013
Computer and office equipment	$	23,024		$	19,961
Software capitalized for internal use	16,088			13,746
Vehicles, including equipment acquired under capital leases	2,170			2,056
Medical equipment, including equipment acquired under capital leases	26,472			22,247
Work in progress	3,173			8,815
Furniture and fixtures	4,455			4,291
Leasehold improvements	13,164			12,082
	88,546			83,198
Less: Accumulated depreciation	(48,685		)	(42,016		)
Property and equipment, net	$	39,861		$	41,182

The Company had an insignificant amount of vehicles and medical equipment under capital lease as of June 30, 2014 and December 31, 2013.

Depreciation Expense

Depreciation expense, including expense related to assets under capital lease, was $4.0 million and $2.5 million for the three months ended June 30, 2014 and 2013, respectively, and $7.8 million and $4.9 million for the six months ended June 30, 2014 and 2013, respectively. Depreciation expense includes costs related to software capitalized for internal use of $0.7 million and $0.4 million for the three months ended June 30, 2014 and 2013, respectively, and $1.1 million and $0.7 million for the six months ended June 30, 2014 and 2013, respectively.