Property and Equipment

12 Months Ended

Dec. 31, 2014

Property and equipment at December 31, 2014 and 2013 are as follows:



	Estimated Useful Lives		As of December 31,
	In Years		2014			2013
			(in thousands)
Computers and software	3-5		$	9,468		$	11,180
Furniture and fixtures	5-7		7,032			7,315
Laboratory equipment	3-7		12,737			34,952
Leasehold improvements	7-10		8,117			8,092
Buildings	15-40		—			59,104
Land		—	—			2,664
Total property and equipment			37,354			123,307
Less: Accumulated depreciation and amortization			(36,274		)	(81,945		)
Net property and equipment			$	1,080		$	41,362

Buildings of $59.1 million and land of $2.7 million, as well as $38.0 million of related accumulated depreciation, have been reclassified to assets held for sale (see Note 6, Assets Held for Sale) as of December 31, 2014.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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