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Stock Incentive Plans (Tables)
 6 Months Ended
Jun. 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

 
825,640

 

$
1.24

 

 

 

 

 

Exercised

 
(22,879

)

$
1.01

 

 

 

 

 

Cancelled or forfeited

 
(271,080

)

$
7.20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at June 30, 2017

 
2,801,850

 

$
4.61

 
8.20

 

$
139

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and Exercisable at June 30, 2017

 
1,024,156

 

$
5.86

 
6.66

 

$

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