PATENT COSTS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Finite-lived Intangible Assets [Abstract]
Capitalized patent costs	$ 93,000	$ 35,000	$ 93,000	$ 79,000
Net Patent Costs [Abstract]
Total	493,856		493,856		$ 444,478
Patents [Member]
Finite-lived Intangible Assets [Abstract]
Amortization expense for patents	24,000	$ 18,000	43,000	$ 35,000
Net Patent Costs [Abstract]
Patents	1,138,797		1,138,797		1,046,216
Accumulated amortization	(644,941)		(644,941)		(601,738)
Total	493,856		493,856		$ 444,478
Estimated aggregate amortization expense [Abstract]
July 1, 2019 - December 31, 2019	43,000		43,000
2020	68,000		68,000
2021	51,000		51,000
2022	51,000		51,000
2023	51,000		51,000
Thereafter	230,000		230,000
Total	$ 494,000		$ 494,000
Patents [Member] | Minimum [Member]
Finite-lived Intangible Assets [Abstract]
Amortization period for intangible assets			2 years
Patents [Member] | Maximum [Member]
Finite-lived Intangible Assets [Abstract]
Amortization period for intangible assets			10 years