4. PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

Property and equipment and accumulated depreciation and amortization are as follows (in thousands):

	December 31,
	2015			2014
	(Unaudited)
Medical equipment	$	39,841		$	36,618
Office equipment, furniture and fixtures		3,280			3,238
Leasehold improvements		14,440			14,335
		57,561			54,191
Accumulated depreciation and amortization		(43,809	)		(40,346	)
	$	13,752		$	13,845

Depreciation and amortization expense on property and equipment, including amortization of equipment under capital leases, for the years ended December 31, 2015, 2014 and 2013 totaled $4.0 million (unaudited), $4.7 million and $4.6 million, respectively.