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15. SEGMENT REPORTING (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Sales, net	$ 23,079,739	$ 20,853,527
Cost of sales	8,298,240	7,971,676
Gross margin	14,781,499	12,881,851
Selling expenses	6,389,989	5,660,612
Contribution margin	$ 8,391,510	$ 7,221,239
Percentage of sales	100.00%	100.00%
Direct Sales
Sales, net	$ 9,115,074	$ 8,340,366
Cost of sales	2,430,148	2,237,599
Gross margin	6,684,926	6,102,767
Selling expenses	4,255,324	3,854,772
Contribution margin	$ 2,429,602	$ 2,247,995
Percentage of sales	39.50%	40.00%
Distributor Sales
Sales, net	$ 13,964,665	$ 12,513,161
Cost of sales	5,868,092	5,734,077
Gross margin	8,096,573	6,779,084
Selling expenses	2,134,665	1,805,840
Contribution margin	$ 5,961,908	$ 4,973,244
Percentage of sales	60.50%	60.00%

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