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Net Loss Per Common Share
9 Months Ended
Sep. 30, 2019
Net Loss per Common 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 nine months ended September 30, 2018 and 2019, as the result would be anti-dilutive:

 

 

 

 

 

 

 

September 30, 

 

September 30, 

 

    

2018

    

2019

Stock options

 

836,849

 

2,266,017

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

 

8,461,048

 

9,890,215