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Property, Plant and Equipment

12 Months Ended

Dec. 31, 2014

7.	Property, Plant, and Equipment

Property, plant and equipment consisted of the following (in $000s):

	Useful lives in years from	December 31,
	date of acquisition	2013			2014

Leasehold improvements	5 to 15 years	$	922		$	914
Research and laboratory equipment	3 to 5 years		5,668			5,881
Office equipment and furniture	3 to 5 years		1,338			1,302
			7,928			8,097
Less: accumulated depreciation and amortization			(7,653	)		(7,710	)
		$	275		$	387

The depreciation and amortization of property, plant and equipment amounted to $0.2 million for each of the years ended December 31, 2013 and 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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