Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Tables)

v3.10.0.1
Stock Options (Tables)
9 Months Ended
Sep. 30, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of Outstanding Stock Option Activity

The following table summarizes the outstanding stock option activity during the periods indicated:

 

 

 

Number

of shares

 

 

Weighted

average

exercise

price

 

 

Weighted

average

remaining contractual term

 

Balance at December 31, 2017

 

 

1,203,627

 

 

$

7.06

 

 

 

8.10

 

Granted

 

 

998,800

 

 

 

9.90

 

 

 

7.33

 

Exercised

 

 

(297,719

)

 

 

2.07

 

 

 

0.91

 

Expired/Forfeited

 

 

(425,054

)

 

 

11.87

 

 

 

0.04

 

Balance at September 30, 2018

 

 

1,479,654

 

 

$

8.60

 

 

 

8.26

 

Vested and exercisable at September 30, 2018

 

 

488,427

 

 

$

5.83

 

 

 

6.91

 

Vested and expected to vest at September 30, 2018

 

 

1,479,654

 

 

$

8.60

 

 

 

8.26