PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2012

Property and equipment consist of the following at December 31, 2012 and 2011, in thousands:


			December 31,
	Useful Life		2012			2011
Laboratory equipment		5 years	$	21,201		$	19,994
Computer equipment and software		3 years		4,203			4,112
Furniture and fixtures		5 years		1,793			1,784
Leasehold improvements		*		19,862			19,676
Construction in progress		—		8,209			—

				55,268			45,566
Less: accumulated depreciation				(35,469	)		(30,923	)

			$	19,799		$	14,643

*	Shorter of asset life or lease term

- 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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