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

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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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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PROPERTY AND EQUIPMENT, NET (Details) (USD $)	3 Months Ended		9 Months Ended
PROPERTY AND EQUIPMENT, NET (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 10,074,040		$ 10,074,040		$ 10,349,802
Accumulated depreciation	(7,464,764)		(7,464,764)		(7,160,804)
Property and equipment, net	2,609,276		2,609,276		3,188,998
Depreciation expense	167,907	188,796	518,824	526,074
Equipment sold			60,899
Proceeds from sale of equipment			110,000	0
Gain on sale of equipment			49,101
Production, Engineering and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	6,426,432		6,426,432		6,702,194
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,904,188		2,904,188		2,904,188
Office Equipment and Furniture [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	603,182		603,182		603,182
Computer Equipment and Related Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 140,238		$ 140,238		$ 140,238