Property, Plant and Equipment, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Property, plant and equipment
Property, plant and equipment, gross	$ 11,042	$ 24,798
Less - accumulated depreciation	(7,745)	(15,592)
Property, plant and equipment, net	3,297	9,206
Assets held for sale	2,000
Accelerated depreciation of assets held for sale	1,400
Impairment loss on assets held for sale	1,100
Land
Property, plant and equipment
Property, plant and equipment, gross		360
Buildings and improvements
Property, plant and equipment
Property, plant and equipment, gross	5,373	11,308
Laboratory and production equipment
Property, plant and equipment
Property, plant and equipment, gross	115	7,662
Furniture and fixtures
Property, plant and equipment
Property, plant and equipment, gross	5,326	5,382
Construction in process
Property, plant and equipment
Property, plant and equipment, gross	$ 228	$ 86

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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