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Statements of Operations (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Income Statement [Abstract]    
Product sales $ 4,410,561 $ 2,881,185
Costs of goods sold 2,209,090 1,521,444
Gross margin 2,201,471 1,359,741
Product development expenses 910,370 582,934
Sales and marketing expenses 607,104 531,905
Administrative expenses 418,693 423,057
Operating activities, net 1,936,167 1,537,896
NET OPERATING INCOME (LOSS) 265,304 (178,155)
Other expenses, net 111,726 92,116
INCOME (LOSS) BEFORE INCOME TAXES 153,578 (270,271)
Income tax expense (benefit) 9,023 (49,148)
NET INCOME (LOSS) $ 144,555 $ (221,123)
Basic weighted average common shares outstanding 5,624,504 5,477,921
Basic net income (loss) per share $ 0.03 $ (0.04)
Diluted weighted average common shares outstanding 5,666,549 5,477,921
Diluted net income (loss) per share $ 0.03 $ (0.04)