PROPERTY AND EQUIPMENT, NET (Schedule of property and equipment, net) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, net, gross	$ 581,048	$ 575,059
Less: accumulated depreciation and amortization	(563,323)	(548,899)
Property and equipment, net	17,725	26,160
Information Technology Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net, gross	280,724	274,735
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net, gross	87,958	87,958
Tools, molds and testing equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net, gross	$ 212,366	$ 212,366

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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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.

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