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Stock Compensation (Tables)
 9 Months Ended
Sep. 30, 2016
Stock Compensation  
Summary of activity relating to the Company's options to purchase common stock

 

 

 

Number of
Options

 

Weighted-Average
Exercise
Price
Per Share

 

Weighted-Average
Remaining
Contractual
Term (Years)

 

Aggregate
Intrinsic
Value

 

 

 

 

 

 

 

 

 

(in thousands)

 

Outstanding at December 31, 2015

 
2,662,862

 

$
32.42

 
8.36

 

$
16,433

 

Granted

 
611,250

 

$
15.89

 

 

 

 

 

Forfeited or expired

 
(88,168

)

$
29.94

 

 

 

 

 

Exercised

 
(27,757

)

$
1.61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at September 30, 2016

 
3,158,187

 

$
29.56

 
7.91

 

$
6,218

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of information about the stock option plan

 

 

 

Number of
Options

 

Weighted-Average
Exercise
Price
Per Share

 

Weighted-Average
Remaining
Contractual
Term (Years)

 

Aggregate
Intrinsic
Value

 

 

 

 

 

 

 

 

 

(in thousands)

 

Vested and expected to vest at September 30, 2016

 
3,057,211 

 

$
29.39 

 
7.87 

 

$
6,137 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercisable at September 30, 2016

 
1,558,436 

 

$
24.74 

 
7.08 

 

$
4,955 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of activity relating to the Company's RSUs

 

 

 

Number of
RSUs

 

Weighted-Average
Fair Value Per Share

 

 

 

 

 

 

 

Outstanding and unvested at December 31, 2015

 
25,000

 

$
57.54

 

Granted

 
3,000

 

$
15.97

 

Forfeited or expired

 
(3,000

)

$
15.97

 

Vested

 
(7,187

)

$
57.54

 

 

 

 

 

 

 

 

Outstanding and unvested at September 30, 2016

 
17,813

 

$
57.54