PATENT COSTS (Tables)

3 Months Ended

Mar. 31, 2016

PATENT COSTS [Abstract]

Net Patent Costs

For each period presented below, net patent costs consisted of:

	March 31, 2016			December 31, 2015
Patents	$	702,674		$	697,260
Accumulated Amortization		(431,698	)		(422,054	)
	$	270,976		$	275,206

Estimated Aggregate Future Amortization Expense

The estimated aggregate amortization expense for the remaining nine months of 2016 and each of the years below is approximately as follows:

April 1, 2016 to December 31, 2016	$	28,600
2017		38,100
2018		38,100
2019		38,100
2020		26,800
Thereafter	$	101,100