v2.4.0.6
Stockholders Equity and Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2012
STOCKHOLDERS' EQUITY AND STOCK BASED COMPENSATION [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The table below summarizes the stock option activity during the nine months ended September 30, 2012:
 
 
Options
 
Weighted- Average Exercise Price
 
Weighted- Average Remaining Contractual Term (in years)
 
Aggregate Intrinsic Value
(in thousands) (1)
Outstanding at December 31, 2011
 
17,870,713

 
$1.12
 
8.06
 
$
348,743

    Exercised
 
(8,334,131
)
 
$1.06
 
 
 
 
    Forfeited
 
(657,333
)
 
$2.34
 
 
 
 
    Expired
 
(14,293
)
 
$1.78
 
 
 
 
Outstanding at September 30, 2012
 
8,864,956

 
$1.07
 
7.25
 
$
32,752

 
 
 
 
 
 
 
 
 
Exercisable at September 30, 2012
 
4,982,867

 
$0.82
 
6.93
 
$
19,645

(1)
The aggregate intrinsic value of options outstanding and exercisable represents the total pretax intrinsic value (the difference between the fair value of the Company's stock on the last day of each period and the exercise price, multiplied by the number of options where the exercise price exceeds the fair value) that would have been received by the option holders had all option holders exercised their options as of December 31, 2011 and September 30, 2012, respectively.
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
The table below summarizes the restricted stock unit activity during the nine months ended September 30, 2012:
 
 
Restricted Stock Units
 
Weighted- Average Grant Date Fair Value (per share)
Unvested at December 31, 2011
 
11,944,844

 
$
12.23

    Granted
 
22,759,517

 
$
9.83

    Vested
 
(3,225,241
)
 
$
10.63

    Forfeited
 
(2,385,596
)
 
$
15.36

Unvested at September 30, 2012
 
29,093,524

 
$
10.29