Fixed Assets (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Cost	$ 2,480,723	$ 2,239,738
Accumulated Depreciation and Amortization	(2,117,702)	(1,943,953)
Net Book Value	363,021	295,785
Depreciation	173,750	142,197	194,629
Machinery, equipment and office furniture [Member]
Property, Plant and Equipment [Line Items]
Cost	2,014,588	1,791,072
Accumulated Depreciation and Amortization	(1,731,660)	(1,603,835)
Net Book Value	282,928	187,237
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Cost	466,135	448,666
Accumulated Depreciation and Amortization	(386,042)	(340,118)
Net Book Value	$ 80,093	$ 108,548

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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