INTANGIBLE ASSETS (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,397,100	$ 1,465,700
Accumulated amortization	(880,300)	(842,600)
Net carrying value	516,800	623,100
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	277,800	277,800
Net carrying value	277,800	277,800
Customer List [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	42,500	42,500
Accumulated amortization	(42,500)	(42,500)
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,021,900	1,090,500
Accumulated amortization	(782,900)	(745,200)
Net carrying value	239,000	345,300
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	54,900	54,900
Accumulated amortization	$ (54,900)	$ (54,900)