Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans (Tables)

v2.4.0.6
Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract]  
Fair value of options granted to employees
The following table summarizes the weighted-average assumptions used to compute the fair value of options granted to employees and members of our board of directors:
 
For the Three Months Ended September 30,
 
For the Nine Months Ended September 30,
 
2012
 
2011
 
2012
 
2011
Risk-free interest rate
0.8%
 
1.1%
 
0.8%
 
1.1%
Expected life of options — years
5.06
 
5.27
 
5.13
 
5.27
Expected stock price volatility
49%
 
68%
 
53%
 
68%
Expected dividend yield
0%
 
0%
 
0%
 
0%
Stock options activity under share-based payment plans
The following table summarizes stock option activity under our share-based payment plans for the nine months ended September 30, 2012 (options in thousands):
 
Options
 
Weighted-
Average
Exercise
Price
 
Weighted-Average
Remaining
Contractual Term
(Years)
 
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2011
439,580

 
$
1.25

 
 
 
 
Granted
57,776

 
$
2.52

 
 
 
 
Exercised
(144,310
)
 
$
0.62

 
 
 
 
Forfeited, cancelled or expired
(8,217
)
 
$
3.26

 
 
 
 
Outstanding as of September 30, 2012
344,829

 
$
1.68

 
6.82
 
$
384,883

Exercisable, September 30, 2012
125,959

 
$
2.08

 
5.33
 
$
134,226