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6. SEGMENT REPORTING (Tables)
3 Months Ended
Mar. 31, 2020
Segment Reporting [Abstract]  
Segment reporting
    Three Months Ended March 31,  
    Direct Sales     Distributor Sales     Total  
    2020     2019     2020     2019     2020     2019  
                                     
Sales, net   $ 1,952,312     $ 1,720,177     $ 4,569,583     $ 3,278,609     $ 6,521,895     $ 4,998,786  
Cost of Sales     477,632       343,439       2,132,221       1,374,711       2,609,853       1,718,150  
Gross Margin     1,474,680       1,376,738       2,437,362       1,903,898       3,912,042       3,280,636  
Selling Expenses     1,130,547       1,074,371       486,396       552,668       1,616,943       1,627,039  
Contribution Margin   $ 344,133     $ 302,367     $ 1,950,966     $ 1,351,230     $ 2,295,099     $ 1,653,597  
Percent of Sales     29.9 %     34.4 %     70.1 %     65.6 %     100.0 %     100.0 %