|
Stock Incentive Plan (Tables)
|
12 Months Ended |
|
Dec. 31, 2012
|
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
| Schedule of Stock Options Activity |
The following table summarizes the collective activity under the 2000 Plan and the 2010 Plan:
|
|
|
|
|
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|
|
|
|
Number of Options |
|
Weighted-Average Exercise Price |
Outstanding at December 31, 2009 |
|
9,450,200 |
|
|
$ |
2.680 |
|
Granted |
|
856,000 |
|
|
13.045 |
|
Exercised |
|
(1,801,906 |
) |
|
1.484 |
|
Forfeited |
|
(230,294 |
) |
|
2.074 |
|
Outstanding at December 31, 2010 |
|
8,274,000 |
|
|
4.177 |
|
Granted (1) |
|
257,500 |
|
|
12.520 |
|
Exercised |
|
(2,790,188 |
) |
|
2.305 |
|
Forfeited |
|
(316,700 |
) |
|
10.787 |
|
Outstanding at December 31, 2011 |
|
5,424,612 |
|
|
5.151 |
|
Granted (1) |
|
706,644 |
|
|
11.782 |
|
Exercised |
|
(1,306,145 |
) |
|
2.651 |
|
Forfeited |
|
(46,968 |
) |
|
7.249 |
|
Outstanding at December 31, 2012 |
|
4,778,143 |
|
|
$ |
6.794 |
|
Options exercisable at December 31, 2012 |
|
3,309,722 |
|
|
$ |
4.986 |
|
Expected to vest at December 31, 2012 |
|
1,432,041 |
|
|
$ |
10.951 |
|
Options exercisable at December 31, 2011 |
|
3,896,512 |
|
|
$ |
3.773 |
|
(1) Grants are related to the 2010 Plan.
|
| Schedule of Stock Options by Plans by Exercise Price Range |
The following table summarizes information about stock options outstanding at December 31, 2012:
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Outstanding Options |
|
Exercisable Options |
Related Plan |
Exercise Price |
|
Number Outstanding |
|
Weighted-Average Remaining Term |
|
Weighted-Average Exercise Price |
|
Number Exercisable |
|
Weighted-Average Exercise Price |
2000 Plan |
$ |
1.750 |
|
|
84,511 |
|
|
0.53 |
|
$ |
1.750 |
|
|
84,511 |
|
|
$ |
1.750 |
|
2000 Plan |
1.875 |
|
|
112,500 |
|
|
0.73 |
|
1.875 |
|
|
112,500 |
|
|
1.875 |
|
2000 Plan |
2.750 |
|
|
453,231 |
|
|
1.51 |
|
2.750 |
|
|
453,231 |
|
|
2.750 |
|
2000 Plan |
3.000 |
|
|
41,600 |
|
|
2.07 |
|
3.000 |
|
|
41,600 |
|
|
3.000 |
|
2000 Plan |
3.250 |
|
|
603,904 |
|
|
3.19 |
|
3.250 |
|
|
603,904 |
|
|
3.250 |
|
2000 Plan |
3.410 |
|
|
569,862 |
|
|
4.02 |
|
3.410 |
|
|
569,862 |
|
|
3.410 |
|
2000 Plan |
4.220 |
|
|
383,109 |
|
|
4.65 |
|
4.220 |
|
|
379,859 |
|
|
4.220 |
|
2000 Plan |
6.055 |
|
|
976,000 |
|
|
6.49 |
|
6.055 |
|
|
654,300 |
|
|
6.055 |
|
2010 Plan |
10.750 |
|
|
76,995 |
|
|
9.41 |
|
10.750 |
|
|
5,399 |
|
|
10.750 |
|
2010 Plan |
10.950 |
|
|
140,000 |
|
|
8.71 |
|
10.950 |
|
|
36,000 |
|
|
10.950 |
|
2010 Plan |
11.630 |
|
|
155,093 |
|
|
9.46 |
|
11.630 |
|
|
5,015 |
|
|
11.630 |
|
2010 Plan |
11.980 |
|
|
499,650 |
|
|
9.32 |
|
11.980 |
|
|
4,000 |
|
|
11.980 |
|
2000 Plan |
13.045 |
|
|
593,000 |
|
|
7.32 |
|
13.045 |
|
|
337,500 |
|
|
13.045 |
|
2010 Plan |
14.810 |
|
60,000 |
|
|
8.40 |
|
14.810 |
|
|
12,000 |
|
|
14.810 |
|
2010 Plan |
16.290 |
|
28,688 |
|
|
8.07 |
|
16.290 |
|
|
10,041 |
|
|
16.290 |
|
|
|
|
4,778,143 |
|
|
|
|
|
|
|
3,309,722 |
|
|
|
|
|
| Schedule of Stock Options Valuation Assumptions |
The following table sets forth the significant assumptions used in the model during 2012, 2011 and 2010:
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Years Ended December 31, |
|
2012 |
|
2011 |
|
2010 |
Future dividends |
$ - |
|
$ - |
|
$ - |
Risk-free interest rate |
0.82-1.25% |
|
1.35-2.58% |
|
2.59-3.11% |
Expected volatility |
32% |
|
32%-33% |
|
57%-59% |
Expected life |
6.5 years |
|
6.0-6.5 years |
|
6.5 years |
|