BUSINESS SEGMENT (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Sales by geography
Total sales	$ 7,474,993	$ 7,646,117	$ 15,147,794	$ 14,569,797
Long-lived assets
Long-lived assets	11,045,766		11,045,766		$ 11,353,202
UNITED STATES
Sales by geography
Total sales	6,320,363	6,055,144	12,917,343	12,003,000
Long-lived assets
Long-lived assets	10,920,209		10,920,209		11,215,583
North and South America sales (excluding U.S.)
Sales by geography
Total sales	770,526	1,331,029	1,801,937	1,827,560
Other international sales
Sales by geography
Total sales	384,104	$ 259,944	428,514	$ 739,237
International
Long-lived assets
Long-lived assets	$ 125,557		$ 125,557		$ 137,619