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7. SEGMENT REPORTING (Tables)
9 Months Ended
Sep. 30, 2019
Segment Reporting [Abstract]  
Segment reporting
   Three Months Ended September 30,
   Direct Sales  Distributor Sales  Total
   2019  2018  2019  2018  2019  2018
                   
Sales, net  $2,383,256   $2,333,721   $4,375,111   $3,127,318   $6,758,367   $5,461,039 
Cost of Sales   703,331    542,154    1,991,014    1,376,714    2,694,345    1,918,868 
Gross Margin   1,679,925    1,791,567    2,384,097    1,750,604    4,064,022    3,542,171 
Selling Expenses   1,175,802    1,073,089    545,617    554,408    1,721,419    1,627,497 
Contribution Margin  $504,123   $718,478   $1,838,480   $1,196,196   $2,342,603   $1,914,674 
Percent of Sales     35.3%     42.7%     64.7%     57.3%     100.0%     100.0% 

 

   Nine Months Ended September 30,
   Direct Sales  Distributor Sales  Total
   2019  2018  2019  2018  2019  2018
                   
Sales, net  $6,458,908   $6,237,364   $11,089,082   $9,577,586   $17,547,990   $15,814,950 
Cost of Sales   1,735,974    1,580,697    4,969,000    4,079,732    6,704,974    5,660,429 
Gross Margin   4,722,934    4,656,667    6,120,082    5,497,854    10,843,016    10,154,521 
Selling Expenses   3,406,569    3,089,948    1,676,676    1,550,114    5,083,245    4,640,062 
Contribution Margin  $1,316,365   $1,566,719   $4,443,406   $3,947,740   $5,759,771   $5,514,459 
Percent of Sales     36.8%     39.4%     63.2%     60.6%     100.0%    100.0%