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Net Loss Per Common Share
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Net Loss Per Common Share
4. Net Loss per Common Share

 

The Company calculates net loss per common share in accordance with ASC 260 “Earnings Per Share” (“ASC 260”). Basic and diluted net loss per common share was determined by dividing net loss applicable to common stockholders by the weighted average number of shares of common stock outstanding during the period.

 

The following potentially dilutive securities have not been included in the computation of diluted net loss per share for the three and six months ended June 30, 2018 and 2019, as the result would be anti-dilutive:

 

    June 30,
2018
    June 30,
2019
 
Stock options     796,856       2,342,268  
Convertible preferred stock     1,698       1,698  
Series A preferred stock     132,000       132,000  
Common stock warrants     7,490,500       7,490,500  
Total shares excluded from calculation     8,421,054       9,966,466