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INTANGIBLE ASSETS (Tables)
12 Months Ended
Jun. 30, 2019
INTANGIBLE ASSETS [Abstract]  
Intangible Assets
Intangible assets consist of the following as of the dates presented:

  

 
June 30,
  
December 31,
  
Weighted
Average
Remaining
Amortization
Period
 
  2019  2018  
2017
  
(in Years)
Patents
 
$
1,007,497
  
$
969,632
  
$
958,604
   
15.0
 
Trademarks
  
100,331
   
73,877
   
57,325
   
9.5
 
License rights
  
6,718
   
6,718
   
6,718
   
-
 
Total
  
1,114,546
   
1,050,227
   
1,022,647
     
Less accumulated amortization
  
(1,017,173
)
  
(1,015,394
)
  
(1,014,050
)
    
Intangible assets, net
 $
97,373
  
$
34,833
  
$
8,597