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8. SEGMENT REPORTING (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Sales, net $ 4,639,028 $ 4,721,154 $ 8,822,797 $ 8,633,655
Cost of Sales 1,714,727 1,961,501 3,299,448 3,569,968
Gross Margin 2,924,301 2,759,653 5,523,349 5,063,687
Selling Expenses 1,287,272 1,163,189 2,351,687 2,229,848
Contribution Margin $ 1,637,029 $ 1,596,464 $ 3,171,662 $ 2,833,839
Percent of Sales 100.00% 100.00% 100.00% 100.00%
Direct Sales        
Sales, net $ 1,565,355 $ 1,926,021 $ 2,966,830 $ 3,382,585
Cost of Sales 368,546 608,276 695,712 1,014,417
Gross Margin 1,196,809 1,317,745 2,271,118 2,368,168
Selling Expenses 835,714 758,364 1,523,342 1,428,605
Contribution Margin $ 361,095 $ 559,381 $ 747,776 $ 939,563
Percent of Sales 33.70% 40.80% 33.60% 39.20%
Distributor Sales        
Sales, net $ 3,073,673 $ 2,795,133 $ 5,855,967 $ 5,251,070
Cost of Sales 1,346,181 1,353,225 2,603,736 2,555,551
Gross Margin 1,727,492 1,441,908 3,252,231 2,695,519
Selling Expenses 451,558 404,825 828,345 801,243
Contribution Margin $ 1,275,934 $ 1,037,083 $ 2,423,886 $ 1,894,276
Percent of Sales 66.30% 59.20% 66.40% 60.80%