Property and Equipment

12 Months Ended

Dec. 31, 2014

Property Plant And Equipment [Abstract]

5.	Property and Equipment

Property and equipment as of December 31, 2014, and 2013 consist of the following (in thousands):

	Estimated Useful	December 31,
	Life (In years)	2014			2013
Manufacturing equipment	5-14	$	8,171		$	8,968
Lab equipment	5-13		6,473			7,227
Computer equipment	3		2,196			1,962
Furniture and fixtures	3		1,070			1,056
Leasehold improvements	5-7		5,690			6,048
Assets in progress			935			762
			24,535			26,023
Less accumulated depreciation and amortization			(16,611	)		(17,317	)
Total		$	7,924		$	8,706

Depreciation and amortization expense on property and equipment was $1.4 million, $1.3 million and $1.2 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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