Annual report pursuant to Section 13 and 15(d)

PATENTS AND TRADEMARKS (Schedule of patents and trademarks) (Details)

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PATENTS AND TRADEMARKS (Schedule of patents and trademarks) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
Patents and trademarks $ 293,585 $ 280,490
Less: Accumulated amortization (231,987) (226,619)
Patents and trademarks, Net 61,598 53,871
Amortization of patents $ 5,368 $ 5,392