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Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2018
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, 2018 and 2017 have been excluded from the denominator of the diluted loss per share of common stock outstanding calculation (in thousands):

 

 

 

September 30,

 

 

 

2018

 

 

2017

 

Stock options

 

 

2,873

 

 

 

2,305

 

Non-vested restricted stock awards

 

 

7

 

 

 

15

 

Non-vested restricted stock units

 

 

38

 

 

 

-

 

Convertible preferred stock warrants

 

 

-

 

 

 

85

 

Common stock warrants

 

 

105

 

 

 

-

 

Shares of convertible preferred stock “as-converted”

 

 

-

 

 

 

10,994