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Stock Incentive Plans (Tables)
9 Months Ended
Sep. 30, 2017
Stock Incentive Plans  
Summary of the Company's stock option activity

 

 

Shares

 

Weighted-
Average Exercise
Price

 

Weighted

Average

Remaining

Contractual

Term (years)

 

Aggregate

Intrinsic Value
(in thousands)

 

Outstanding at December 31, 2016

 

2,270,169

 

$

6.11

 

8.14

 

$

613

 

Granted

 

876,740

 

$

1.24

 

 

 

 

 

Exercised

 

(22,879

)

$

1.01

 

 

 

 

 

Cancelled or forfeited

 

(284,623

)

$

7.27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at September 30, 2017

 

2,839,407

 

$

4.54

 

7.99

 

$

817

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and Exercisable at September 30, 2017

 

1,172,834

 

$

5.82

 

6.67

 

$

53