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Net Income Per Share Applicable to Common Stockholders (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Numerator:    
Net income $ 385,807 $ 548,314
Convertible note interest 28,709 34,181
Adjusted diluted net income $ 414,516 $ 582,495
Denominator: Weighted average common shares outstanding used in computing net income per share:    
Basic 5,912,088 5,646,397
Effect of dilutive stock options and convertible notes payable 1,859,122 858,351
Diluted 7,771,210 6,504,748
Net income per share applicable to common stockholders:    
Basic $ 0.07 $ 0.10
Diluted $ 0.05 $ 0.09