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15. SEGMENT REPORTING (Tables)
12 Months Ended
Dec. 31, 2019
Segment Reporting [Abstract]  
Segment reporting
    Twelve Months Ended December 31,  
    Direct Sales     Distributor Sales     Total  
    2019     2018     2019     2018     2019     2018  
                                     
Sales, net   $ 9,463,481     $ 9,115,074     $ 15,285,782     $ 13,964,665     $ 24,749,263     $ 23,079,739  
Cost of Sales     2,521,094       2,430,148       6,933,587       5,868,092       9,454,681       8,298,240  
Gross Margin     6,942,387       6,684,926       8,352,195       8,096,573       15,294,582       14,781,499  
Selling Expenses     4,659,543       4,255,324       2,201,091       2,134,665       6,860,634       6,389,989  
Contribution Margin   $ 2,282,844     $ 2,429,602     $ 6,151,104     $ 5,961,908     $ 8,433,948     $ 8,391,510  
Percent of Sales, net     38.2 %     39.5 %     61.8 %     60.5 %     100.0 %     100.0 %