XML 37 R27.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock Incentive Plans (Tables)
9 Months Ended
Sep. 30, 2018
Stock Incentive Plans  
Summary of stock option activity

 

 

 

Shares

 

Weighted-
Average Exercise
Price

 

Weighted
Average
Remaining
Contractual
Term (years)

 

Aggregate
Intrinsic Value
(in thousands)

 

Outstanding at December 31, 2017

 

2,845,626

 

$

4.53

 

7.75

 

$

216

 

Granted

 

2,133,845

 

$

0.98

 

 

 

 

 

Exercised

 

(2,917

)

$

1.24

 

 

 

 

 

Cancelled or forfeited

 

(487,097

)

$

2.93

 

 

 

 

 

Outstanding at September 30, 2018

 

4,489,457

 

$

3.02

 

8.19

 

$

102

 

Vested and Exercisable at September 30, 2018

 

1,734,044

 

$

5.24

 

6.54

 

$