Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans (Tables)

v2.4.0.8
Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Fair value of options granted to employees and members of our board of directors
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 June 30,
 
For the Six Months Ended June 30,
 
2014
 
2013
 
2014
 
2013
Risk-free interest rate
1.6%
 
0.7%
 
1.3%
 
0.7%
Expected life of options — years
4.78
 
4.71
 
4.11
 
4.71
Expected stock price volatility
40%
 
48%
 
36%
 
48%
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 plans for the six months ended June 30, 2014 (options in thousands):
 
Options
 
Weighted-
Average
Exercise
Price
 
Weighted-Average
Remaining
Contractual Term
(Years)
 
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2013
264,239

 
$
2.42

 
 
 
 
Granted
5,441

 
$
3.59

 
 
 
 
Exercised
(11,568
)
 
$
1.70

 
 
 
 
Forfeited, cancelled or expired
(5,910
)
 
$
4.40

 
 
 
 
Outstanding as of June 30, 2014
252,202

 
$
2.44

 
6.83
 
$
299,833

Exercisable as of June 30, 2014
104,117

 
$
2.15

 
4.96
 
$
168,917



Summary of restricted stock unit activity
The following table summarizes the nonvested restricted stock unit activity under our share-based plans for the six months ended June 30, 2014 (shares in thousands):
 
Shares
 
Grant Date Fair Value
Nonvested as of December 31, 2013
6,984

 
$
3.58

Granted
270

 
$
3.70

Vested restricted stock units
—

 
$
—

Forfeited
(126
)
 
$
3.61

Nonvested as of June 30, 2014
7,128

 
$
3.58