PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciable property, plant and equipment	$ 36,621,187		$ 36,621,187
Less: Accumulated depreciation and amortization	(32,256,329)		(32,207,829)
Net property, plant and equipment	4,364,858		4,413,358
Depreciation expense	48,500	$ 58,736
Building [Member]
Property, Plant and Equipment [Line Items]
Depreciable property, plant and equipment	5,828,960		5,828,960
Furniture, fixtures, computer hardware and computer software [Member]
Property, Plant and Equipment [Line Items]
Depreciable property, plant and equipment	489,421		489,421
Manufacturing machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciable property, plant and equipment	$ 30,302,806		$ 30,302,806

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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-Publisher FASB
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- Definition

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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Amount before accumulated depreciation, depletion and amortization of 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, and furniture and fixtures.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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