The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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PATENT COSTS (Details) - USD ($)	3 Months Ended
PATENT COSTS (Details) - USD ($)	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Net Patent Costs [Abstract]
Net patent costs	$ 248,193		$ 258,355
Patents [Member]
Net Patent Costs [Abstract]
Patents	720,601		720,601
Accumulated amortization	(472,408)		(462,246)
Net patent costs	248,193		$ 258,355
Amortization expense for patents	10,200	$ 9,600
Estimated aggregate amortization expense [Abstract]
April 1, 2017-December 31, 2017	30,500
2018	40,600
2019	40,600
2020	28,600
2021	16,600
Thereafter	$ 91,200
Patents [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	2 years
Patents [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	10 years