Selected Balance Sheet Information (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment, Gross	$ 465	$ 695
Less accumulated depreciation	(242)	(372)
Property and equipment, net	223	323
Manufacturing equipment [Member]
Property, Plant and Equipment, Gross	297	400
Computer and Office Equipment [Member]
Property, Plant and Equipment, Gross	35	159
Laboratory Equipment [Member]
Property, Plant and Equipment, Gross	$ 133	$ 136

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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