Equipment, Furniture and Leasehold Improvements (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Equipment, furniture and leasehold improvements
Equipment, furniture and leasehold improvements, gross	$ 710,000	$ 636,000
Less accumulated depreciation and amortization	643,000	600,000
Equipment, furniture and leasehold improvements, net	67,000	36,000
Depreciation expense	43,000	9,000
Equipment
Equipment, furniture and leasehold improvements
Equipment, furniture and leasehold improvements, gross	488,000	414,000
Office furniture and fixtures
Equipment, furniture and leasehold improvements
Equipment, furniture and leasehold improvements, gross	218,000	218,000
Leasehold improvements
Equipment, furniture and leasehold improvements
Equipment, furniture and leasehold improvements, gross	$ 4,000	$ 4,000

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

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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