PATENT COSTS (Tables)

3 Months Ended

Mar. 31, 2017

PATENT COSTS [Abstract]

Net Patent Costs

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

	March 31, 2017			December 31, 2016
Patents	$	720,601		$	720,601
Accumulated amortization		(472,408	)		(462,246	)
	$	248,193		$	258,355

Estimated Aggregate Future Amortization Expense

The estimated aggregate amortization expense for the remaining nine months of 2017 and each of the years below is approximately as follows:

April 1, 2017-December 31, 2017	$	30,500
2018		40,600
2019		40,600
2020		28,600
2021		16,600
Thereafter	$	91,200