XML 42 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Details 2) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Options Outstanding  
Number Outstanding (in shares) 9,822
Weighted Average Remaining Contractual Life 3 years 3 months 14 days
Weighted Average Exercise Price (in dollars per share) $ 4.11
Aggregate Intrinsic value (in dollars) $ 9,524
Options Exercisable  
Number Exercisable (in shares) 6,253
Weighted Average Remaining Contractual Life 2 years 5 months 26 days
Weighted Average Exercise Price (in dollars per share) $ 4.34
Aggregate Intrinsic value (in dollars) 5,390
$1.50 - $3.09
  
Exercise price range  
Low end of the range (in dollars per share) $ 1.50
High end of the range (in dollars per share) $ 3.09
Options Outstanding  
Number Outstanding (in shares) 2,504
Weighted Average Remaining Contractual Life 3 years 6 months 22 days
Weighted Average Exercise Price (in dollars per share) $ 2.36
Aggregate Intrinsic value (in dollars) 5,887
Options Exercisable  
Number Exercisable (in shares) 1,368
Weighted Average Remaining Contractual Life 2 years 7 months 6 days
Weighted Average Exercise Price (in dollars per share) $ 1.94
Aggregate Intrinsic value (in dollars) 3,786
$3.10 - $3.86
  
Exercise price range  
Low end of the range (in dollars per share) $ 3.10
High end of the range (in dollars per share) $ 3.86
Options Outstanding  
Number Outstanding (in shares) 2,476
Weighted Average Remaining Contractual Life 4 years 6 months 22 days
Weighted Average Exercise Price (in dollars per share) $ 3.55
Aggregate Intrinsic value (in dollars) 2,861
Options Exercisable  
Number Exercisable (in shares) 1,014
Weighted Average Remaining Contractual Life 3 years 11 months 23 days
Weighted Average Exercise Price (in dollars per share) $ 3.64
Aggregate Intrinsic value (in dollars) 1,081
$3.87 - $5.61
  
Exercise price range  
Low end of the range (in dollars per share) $ 3.87
High end of the range (in dollars per share) $ 5.61
Options Outstanding  
Number Outstanding (in shares) 3,550
Weighted Average Remaining Contractual Life 2 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) $ 4.83
Aggregate Intrinsic value (in dollars) 776
Options Exercisable  
Number Exercisable (in shares) 2,970
Weighted Average Remaining Contractual Life 2 years 11 days
Weighted Average Exercise Price (in dollars per share) $ 4.94
Aggregate Intrinsic value (in dollars) $ 523
$5.62 - $9.81
  
Exercise price range  
Low end of the range (in dollars per share) $ 5.62
High end of the range (in dollars per share) $ 9.81
Options Outstanding  
Number Outstanding (in shares) 1,292
Weighted Average Remaining Contractual Life 2 years 8 months 23 days
Weighted Average Exercise Price (in dollars per share) $ 6.56
Options Exercisable  
Number Exercisable (in shares) 901
Weighted Average Remaining Contractual Life 2 years 1 month 24 days
Weighted Average Exercise Price (in dollars per share) $ 6.80