Property and equipment

12 Months Ended

Dec. 31, 2011

Property and equipment

Property and equipment, which include amounts recorded under capital leases, are stated at costs less accumulated depreciation and amortization (in thousands), and consist of the following:

	December 31,
	2011			2010

Equipment	$	21,833		$	20,676
Software		6,216			4,333
Furniture and office equipment		2,658			2,161
Leasehold improvements		5,591			4,214
Total		36,298			31,384

Less accumulated depreciation and amortization		(28,868	)		(27,100	)

	$	7,430		$	4,284

Depreciation and amortization expense of property and equipment was approximately $2.8 million, $3.1 million and $3.1 million for the years ended December 31, 2011, 2010 and 2009, respectively.

At December 31, 2011 and 2010, equipment under capital leases had a gross cost of approximately $1.6 million. Accumulated depreciation of equipment under capital leases was $1.5 million and $1.4 million for 2011 and 2010, respectively. Amortization of assets under capital leases is included under depreciation and amortization expense.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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