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Common Stock Reserved for Future Issuance
6 Months Ended
Jun. 30, 2019
Common Stock Reserved for Future Issuance  
Common Stock Reserved for Future Issuance

8.  Common Stock Reserved for Future Issuance

The Company has reserved for future issuance the following shares of common stock:

 

 

 

 

 

 

 

 

June 30, 

 

December 31, 

 

    

2019

    

2018

Warrants for the purchase of Common Stock

 

6,193,749

 

4,202,449

Options outstanding to purchase Common Stock

 

763,592

 

433,389

Options available for future issuance to purchase Common Stock

 

547,714

 

877,917

Shares reserved for the employee stock purchase plan

 

112,481

 

76,011

Total

 

7,617,536

 

5,589,766