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Net Loss per Common Share (Tables)
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Anti-dilutive securities excluded from the computation of earnings per share

The following potentially dilutive securities were excluded from the computation of earnings per share as of March 31, 2020 and 2019 because their effects would be anti-dilutive:

 

 

 

March 31,

 

 

 

2020

 

 

2019

 

Stock options

 

 

1,640

 

 

 

1,166,667

 

Common stock warrants - equity

 

 

1,826,599

 

 

 

4,202,909

 

Common stock warrants - liabilities

 

 

 

 

 

189,029

 

Common stock reserved for conversion of preferred shares

 

 

1,799,093

 

 

 

 

Assumed conversion of convertible notes

 

 

63,493

 

 

 

268,558

 

Total

 

 

3,690,825

 

 

 

5,827,163