Property and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

3. Property and Equipment

Property and equipment consists of the following (in thousands):


	December 31,
	2014			2013
Computer equipment	$	2,596		$	2,379
Software		1,683			1,477
Furniture and office equipment		751			651
Lab equipment		13,917			11,166
Leasehold improvements		5,193			4,894

Property and equipment		24,140			20,567
Less accumulated depreciation		(17,355	)		(15,532	)

Property and equipment, net	$	6,785		$	5,035

Depreciation expense for the years ended December 31, 2014, 2013 and 2012 was $1.8 million, $1.2 million and $1.0 million, 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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