PROPERTY, PLANT AND EQUIPMENT (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Laboratory and manufacturing equipment	$ 3,029,559	$ 2,978,716
Building and improvements	2,785,698	2,667,220
Office furniture and equipment	312,979	252,737
Construction in progress	0	1,331
Land	50,000	50,000
Property, plant and equipment, gross	6,178,236	5,950,004
Less: accumulated depreciation	3,820,627	3,434,673
Property, plant and equipment, net	$ 2,357,609	$ 2,515,331

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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-Publisher FASB

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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- Definition

Gross amount, at the balance sheet date, of long-lived assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

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Gross amount, at the balance sheet date, of long-lived, depreciable assets commonly used in offices and stores. Examples include desks, chairs, and store fixtures.

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- Definition

Carrying amount as of the balance sheet date of real estate held for productive use. This excludes land held for sale.

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Gross amount, as of the balance sheet date, of long-lived, depreciable assets used in the production process to produce goods and services.

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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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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.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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