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Net Loss per Share
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Net Loss per Share
5. Net Loss per Share
Basic net loss per share is computed by dividing net loss by the weighted average number of shares of common stock outstanding for the period. The Company’s potentially dilutive shares, which include outstanding common stock options, unvested restricted stock and preferred stock, have not been included in the computation of diluted net loss per share for any of the periods presented as the result would be anti-dilutive. Such potentially dilutive shares of common stock at March 31, 2020 and 2019 consisted of the following:
 
March 31,
 
 
2020
 
 
2019
 
Stock options
   
6,676,879
     
5,416,085
 
Inducement stock options
   
1,030,000
     
500,000
 
Unvested restricted stock
   
1,495,536
     
1,621,845
 
Warrants
   
22,272,727
     
18,939,394
 
                 
 
31,475,142
   
26,477,324