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Net Income (Loss) Per Share Applicable to Common Stockholders (Tables)
3 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]  
Net income (loss) per share applicable to common stockholders
  

Three Months Ended

June 30,

 

Six Months Ended

June 30,

   2013  2012  2013  2012
Numerator:                    
Net income (loss)  $43,509  $(755,400)  $118,311  $(1,627,174)
                     
Denominator:                    
Weighted average common shares outstanding used in computing net income (loss) per share:                    
Basic   4,864,953    4,854,179    4,863,008    4,846,197 
Diluted   4,987,156    4,854,179    4,946,155    4,846,197 
                     
Net income (loss) per share:                    
Basic  $0.01  $(0.16)  $0.02  $(0.34)
Diluted  $0.01  $(0.16)  $0.02  $(0.34)