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Net Income Per Share Applicable to Common Stockholders (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Numerator:        
Net income $ 669,050 $ 529,775 $ 1,734,302 $ 859,282
Convertible note interest 27,836 89,507
Adjusted diluted net income $ 696,886 $ 529,775 $ 1,823,809 $ 859,282
Denominator: Weighted average common shares outstanding used in computing net income (loss) per share:        
Basic 5,842,609 5,560,197 5,769,981 5,539,766
Effect of dilutive stock options and warrants (treasury stock method) 1,081,646 420,185 1,080,007 420,185
Diluted 6,924,255 5,980,382 6,849,988 5,959,951
Net income per share:        
Basic $ 0.11 $ 0.10 $ 0.30 $ 0.16
Diluted $ 0.10 $ 0.09 $ 0.27 $ 0.14