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Common Stock (Tables)
 3 Months Ended
Mar. 31, 2014
Equity [Abstract]  
Summary of Common Stock Shares Activity

The following table summarizes common stock shares activity for the three months ended March 31, 2014:

 

     Shares of
Common Stock		  

Balance, December 31, 2013

      334,068   

Exercise of stock options

      416   
  

 

 

  

Balance, March 31, 2014

      334,484   
  

 

 

  
Schedule of Reserved Shares of Common Stock for Future Issuance

The Company had reserved shares of common stock for future issuance as follows:

 

     As of      As of  
     March 31,
2014		      December 31,
2013		  

For conversion of Series A Preferred, Series B Preferred, Series C Preferred,
Series C-2 Preferred, Series D-1 Preferred, and Series D-2 Preferred and exercise of warrants to purchase Series C-1 Preferred and subsequent conversion of the shares purchased

      1,705,917         1,675,812   

Outstanding stock options

      184,240         137,610   

Outstanding common stock warrants

      276,304         257,242   

For possible future issuance under stock option plan

      2,687         49,734   
  

 

 

     

 

 

  

Total common shares reserved for future issuance

      2,169,148         2,120,398