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15. SEGMENT REPORTING (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Sales, net	$ 24,749,263	$ 23,079,739
Cost of sales	9,454,681	8,298,240
Gross margin	15,294,582	14,781,499
Selling expenses	6,860,634	6,389,989
Contribution margin	$ 8,433,948	$ 8,391,510
Percentage of sales	100.00%	100.00%
Direct Sales
Sales, net	$ 9,463,481	$ 9,115,074
Cost of sales	2,521,094	2,430,148
Gross margin	6,942,387	6,684,926
Selling expenses	4,659,543	4,255,324
Contribution margin	$ 2,282,844	$ 2,429,602
Percentage of sales	38.20%	39.50%
Distributor Sales
Sales, net	$ 15,285,782	$ 13,964,665
Cost of sales	6,933,587	5,868,092
Gross margin	8,352,195	8,096,573
Selling expenses	2,201,091	2,134,665
Contribution margin	$ 6,151,104	$ 5,961,908
Percentage of sales	61.80%	60.50%

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