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Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Schedule of Potentially Dilutive Securities Outstanding Excluded from Diluted Loss Per Share Calculation

The following potentially dilutive securities outstanding as of September 30, 2019 and 2018 have been excluded from the denominator of the diluted loss per share of common stock outstanding calculation (in thousands):

 

 

 

September 30,

 

 

 

2019

 

 

2018

 

Stock options

 

 

2,434

 

 

 

2,873

 

Non-vested restricted stock awards

 

 

-

 

 

 

7

 

Non-vested restricted stock units

 

 

240

 

 

 

38

 

Convertible preferred stock warrants

 

 

-

 

 

 

-

 

Common stock warrants

 

 

105

 

 

 

105

 

Shares of convertible preferred stock “as-converted”

 

 

-

 

 

 

-