Property and Equipment

12 Months Ended

Dec. 31, 2012

5. Property and Equipment

Property and equipment as of December 31, 2012, and 2011 consisted of the following (in thousands):


	2012			2011
Purchased and internally developed software	$	83,239		$	73,561
Portable People Meter equipment		45,570			49,601
Computer equipment		23,793			21,776
Leasehold improvements		18,780			17,833
Machinery, furniture and fixtures		9,218			8,598

		180,600			171,369
Accumulated depreciation and amortization		(118,931	)		(100,718	)

Property and equipment, net	$	61,669		$	70,651


	For the Years Ended December 31,
Additional Information	2012		2011		2010
Depreciation and Amortization of Property and Equipment:
Cost of revenue	$	25,332	$	26,319	$	24,778
Selling, general, and administrative		2,634		1,748		1,628
Research and development		344		475		280

Total depreciation and amortization expense	$	28,310	$	28,542	$	26,686

Impairment charges associated with property and equipment and recognized in selling, general, and administrative expense	$	909	$	162	$	628
Loss on asset disposals	$	2,082	$	1,961	$	2,383
Interest capitalized during the year	$	—	$	39	$	34

- 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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