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BUSINESS SEGMENT (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Sales by geography
Aggregate dollar amount of net sales to significant customers	$ 12,629,000	$ 11,640,000	$ 9,596,000	$ 7,932,000	$ 8,264,000	$ 9,863,000	$ 7,475,000	$ 7,673,000	$ 41,797,179	$ 33,274,702	$ 34,493,838
U.S.
Sales by geography
Aggregate dollar amount of net sales to significant customers									31,897,924	28,646,574	27,015,712
Long-lived assets
Long-lived assets	10,542,688				10,738,253				10,542,688	10,738,253
North and South America sales (excluding U.S.)
Sales by geography
Aggregate dollar amount of net sales to significant customers									8,248,990	3,597,444	6,380,745
Other international sales
Sales by geography
Aggregate dollar amount of net sales to significant customers									1,650,265	1,030,684	$ 1,097,381
International
Long-lived assets
Long-lived assets	$ 89,369				$ 113,494				$ 89,369	$ 113,494

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