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Fixed assets

12 Months Ended

Dec. 31, 2014

4. Fixed assets

Fixed assets, net were as follows at December 31, 2014 and 2013:

	December 31,
	2014			2013
Leasehold improvements	$	13,051		$	12,474
Computer equipment and software		2,472			2,285
Furniture, fixtures, and lab equipment		15,070			14,284
Assets in process		3,483			369

		34,076			29,412
Less accumulated depreciation and amortization		(24,917	)		(22,682	)

	$	9,159		$	6,730

Depreciation expense was approximately $2.2 million, $2.4 million, and $2.7 million for the years ended December 31, 2014, 2013 and 2012, respectively.

- 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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