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8. SEGMENT REPORTING (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Sales, net $ 4,183,769 $ 3,912,501
Cost of Sales 1,584,721 1,608,467
Gross Margin 2,599,048 2,304,034
Selling Expenses 1,064,415 1,066,659
Contribution Margin $ 1,534,633 $ 1,237,375
Percent of Sales 100.00% 100.00%
Direct Sales    
Sales, net $ 1,401,475 $ 1,456,564
Cost of Sales 327,166 406,141
Gross Margin 1,074,309 1,050,423
Selling Expenses 687,628 670,241
Contribution Margin $ 386,681 $ 380,182
Percent of Sales 33.50% 37.20%
Distributor Sales    
Sales, net $ 2,782,294 $ 2,455,937
Cost of Sales 1,257,555 1,202,326
Gross Margin 1,524,739 1,253,611
Selling Expenses 376,787 396,418
Contribution Margin $ 1,147,952 $ 857,193
Percent of Sales 66.50% 62.80%