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Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property, Plant and Equipment [Abstract]


	December 31,
	2011			2010
Land	$	3,951		$	3,951
Buildings		18,371			18,371
Building improvements		11,723			10,632
Leasehold improvements		4,327			4,038
Computer hardware and software		25,763			23,595
Manufacturing test equipment		11,522			10,093
Furniture and fixtures		3,467			3,757

		79,124			74,437
Less: accumulated depreciation		(47,380	)		(44,841	)

	$	31,744		$	29,596

- Definition

Tabular disclosure of the useful life and salvage value of 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.

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