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Net Loss Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2018
Net Loss Per Common Share  
Schedule of computation of basic and diluted loss per share

The following table sets forth the computation of basic and diluted loss per share as of December 31, 2018, 2017 and 2016 (in thousands, except share and per share amounts):

 

 

 

 

 

 

 

 

 

 

 

 

 

Year Ended

 

 

    

2018

    

2017

    

2016

 

Numerator:

 

 

 

 

 

 

 

 

 

 

Net loss

 

$

(23,637)

 

$

(33,415)

 

$

(14,586)

 

Adjustment to redemption value on Series A convertible preferred stock

 

 

 —

 

 

 —

 

 

(366)

 

Net loss attributed to common stock holders

 

$

(23,637)

 

$

(33,415)

 

$

(14,952)

 

Denominator:

 

 

 

 

 

 

 

 

 

 

Basic and diluted weighted average common shares outstanding

 

 

13,805,552

 

 

10,349,136

 

 

5,809,396

 

Basic and diluted net loss per share

 

$

(1.71)

 

$

(3.23)

 

$

(2.57)

 

 

Schedule of potential common shares not considered in computation of diluted net loss per share

 

 

 

 

 

 

 

 

 

 

Year Ended

 

 

    

2018

 

2017

    

2016

 

Stock options

 

2,800,774

 

2,464,140

 

2,242,800

 

Restricted stock awards

 

 —

 

 —

 

4,009

 

Warrants

 

1,014,204

 

978,204

 

 —

 

Series A

 

 —

 

 —

 

 —

 

Convertible notes

 

 —

 

 —

 

 —