Property and Equipment

12 Months Ended

Dec. 31, 2013

5.	Property and Equipment

Property and equipment as of December 31, 2013, and 2012 consist of the following (in thousands):

	Estimated Useful Life	December 31,
	(In years)	2013			2012
Manufacturing equipment	5-14	$	8,968		$	7,574
Lab equipment	5-13		7,227			6,755
Computer equipment	3		1,962			1,807
Furniture and fixtures	3		1,056			983
Leasehold improvements	5-7		6,048			5,445
Assets in progress			762			1,047
			26,023			23,611
Less accumulated depreciation and amortization			(17,317	)		(15,646	)
Total		$	8,706		$	7,965

Depreciation and amortization expense on property and equipment was $1.3 million, $1.2 million and $1.3 million for the years ended December 31, 2013, 2012 and 2011, 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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