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BUSINESS SEGMENTS (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Sales by geography      
Total sales $ 34,493,838 $ 29,826,636 $ 29,552,200
UNITED STATES      
Sales by geography      
Total sales 27,015,712 26,308,246 23,029,976
Long-lived assets      
Long-lived assets 11,215,583 11,930,293 11,282,192
North and South America Excluding United States      
Sales by geography      
Total sales 6,380,745 2,741,518 5,668,785
Other International      
Sales by geography      
Total sales 1,097,381 776,872 853,439
International      
Long-lived assets      
Long-lived assets $ 137,619 $ 161,744 $ 185,869