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PATENT COSTS (Tables)
9 Months Ended
Sep. 30, 2016
PATENT COSTS [Abstract]  
Net Patent Costs
For each period presented below, net patent costs consisted of:

  
September 30,
2016
  
December 31,
2015
 
Patents
 
$
720,600
  
$
697,260
 
Accumulated amortization
  
(451,672
)
  
(422,054
)
  
$
268,928
  
$
275,206
 
Estimated Aggregate Future Amortization Expense
The estimated aggregate amortization expense for the remaining three months of 2016 and each of the years below is approximately as follows:

October 1, 2016 to December 31, 2016
 
$
10,600
 
2017
  
38,700
 
2018
  
38,700
 
2019
  
38,700
 
2020
  
27,400
 
Thereafter
 
$
114,800