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Net Income (Loss) Per Share Applicable to Common Stockholders (Tables)
6 Months Ended
Jun. 30, 2019
Income Statement [Abstract]  
Net Income (Loss) Per Shares Applicable To Common Stockholders

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

 

   Three Months Ended
June 30,
  Six Months Ended
June 30,
   2019  2018  2019  2018
Numerator:            
Net income (loss)   $119,790   $(138,242)  $131,629   $(363,271)
                     
Denominator:                    
Weighted average shares
outstanding used in computing
net income (loss) per share:
                    
Basic    5,999,159    5,880,296    5,969,666    6,309,816 
Effect of dilutive stock options    272,348    —      234,223    —   
                     
Diluted    6,271,507    5,880,296    6,203,889    6,309,816 
                     
Net income (loss) per share applicable to common stockholders:                    
Basic   $0.02   $(0.02)  $0.02   $(0.06)
Diluted   $0.02   $(0.02)  $0.02   $(0.06)