Property and Equipment (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Summary of property and equipment [Abstract]
Property and equipment, gross	$ 1,699,600	$ 1,336,200
Less: accumulated depreciation and amortization	1,340,700	1,292,300
Property and equipment, net	358,900	43,900
Depreciation expenses	93,600	51,600
Equipment [Member]
Summary of property and equipment [Abstract]
Property and equipment, gross	1,171,900	1,077,200
Furniture [Member]
Summary of property and equipment [Abstract]
Property and equipment, gross	380,200	236,000
Leasehold Improvements [Member]
Summary of property and equipment [Abstract]
Property and equipment, gross	$ 147,500	$ 23,000

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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