Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS (Details)

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INTANGIBLE ASSETS (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Gross carrying amount $ 1,397,100 $ 1,397,100
Accumulated amortization (891,900) (880,300)
Net carrying value 505,200 516,800 [1]
Goodwill [Member]    
Gross carrying amount 277,800 277,800
Net carrying value 277,800 277,800
Customer List [Member]    
Gross carrying amount 42,500 42,500
Accumulated amortization (42,500) (42,500)
Technology [Member]    
Gross carrying amount 1,021,900 1,021,900
Accumulated amortization (794,500) (782,900)
Net carrying value 227,400 239,000
Trade Name [Member]    
Gross carrying amount 54,900 54,900
Accumulated amortization $ (54,900) $ (54,900)
[1] These numbers were derived from the audited financial statements for the year ended December 31, 2018. See accompanying notes.