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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Fixed Assets (Details) (USD $) In Thousands, unless otherwise specified			9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Maximum [Member]	Sep. 30, 2012 Minimum [Member]	Sep. 30, 2012 Equipment [Member]	Dec. 31, 2011 Equipment [Member]	Sep. 30, 2012 Leasehold improvements [Member]	Dec. 31, 2011 Leasehold improvements [Member]
Summary of equipment and leasehold improvements
Equipment and leasehold improvements, gross	$ 1,431	$ 1,431			$ 1,370	$ 1,370	$ 61	$ 61
Less, accumulated depreciation and amortization	1,409	1,387
Equipment and leasehold improvements, net	$ 22	$ 44
Equipment and leasehold improvements, Useful Lives in Years			7 years	3 years