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Net Income (Loss) Per Share Applicable to Common Stockholders (Tables)
3 Months Ended
Mar. 31, 2016
Net income (loss) per share:  
Net income (loss) per share applicable to common stockholders

The following table sets forth the computation of basic and diluted net income (loss) per share:

 

   Three Months Ended March 31,
   2016  2015
Numerator:          
   Net income (loss)  $548,314   $(71,560)
Denominator:          
   Weighted average shares outstanding used in computing
net income (loss) per share:
          
      Basic   5,646,397    5,513,588 
      Effect of dilutive stock options and warrants (treasury stock method)   944,480    —   
      Diluted   6,590,877    5,513,588 
   Net income (loss) per share applicable to common stockholders:          
      Basic  $0.10   $(0.01)
      Diluted  $0.08   $(0.01)