3. Property and Equipment: Property, Plant and Equipment (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Laboratory equipment	$ 594,042	$ 591,077
Furniture and Fixtures, Gross	16,745	16,398
Dies and molds	105,353	105,353
Property, Plant and Equipment, Gross	716,140	712,828
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(673,868)	(658,470)
PROPERTY AND EQUIPMENT - NET	$ 42,272	$ 54,358

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, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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