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Stock-Based Compensation (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified | 9 Months Ended
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Sep. 30, 2012
Options Outstanding |
Number Outstanding (in shares) | 10,809
Weighted Average Remaining Contractual Life | 3 years 10 months 2 days
Weighted Average Exercise Price (in dollars per share) | $ 4.09
Aggregate Intrinsic value (in dollars) | $ 6,515
Options Exercisable |
Number Exercisable (in shares) | 6,249
Weighted Average Remaining Contractual Life | 3 years 1 month 24 days
Weighted Average Exercise Price (in dollars per share) | $ 4.43
Aggregate Intrinsic value (in dollars) | 3,426
$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) | 2,995
Weighted Average Remaining Contractual Life | 3 years 9 months 14 days
Weighted Average Exercise Price (in dollars per share) | $ 2.30
Aggregate Intrinsic value (in dollars) | 5,224
Options Exercisable |
Number Exercisable (in shares) | 1,408
Weighted Average Remaining Contractual Life | 2 years 8 months 19 days
Weighted Average Exercise Price (in dollars per share) | $ 1.85
Aggregate Intrinsic value (in dollars) | 3,087
$3.10 - $3.92 |
Exercise price range |
Low end of the range (in dollars per share) | $ 3.10
High end of the range (in dollars per share) | $ 3.92
Options Outstanding |
Number Outstanding (in shares) | 3,048
Weighted Average Remaining Contractual Life | 4 years 8 months 23 days
Weighted Average Exercise Price (in dollars per share) | $ 3.62
Aggregate Intrinsic value (in dollars) | 1,291
Options Exercisable |
Number Exercisable (in shares) | 1,042
Weighted Average Remaining Contractual Life | 3 years 11 months 16 days
Weighted Average Exercise Price (in dollars per share) | $ 3.71
Aggregate Intrinsic value (in dollars) | $ 339
$3.93 - $5.61 |
Exercise price range |
Low end of the range (in dollars per share) | $ 3.93
High end of the range (in dollars per share) | $ 5.61
Options Outstanding |
Number Outstanding (in shares) | 3,216
Weighted Average Remaining Contractual Life | 3 years 5 months 23 days
Weighted Average Exercise Price (in dollars per share) | $ 4.96
Options Exercisable |
Number Exercisable (in shares) | 2,756
Weighted Average Remaining Contractual Life | 3 years 5 months 5 days
Weighted Average Exercise Price (in dollars per share) | $ 5.03
$5.62 - $15.00 |
Exercise price range |
Low end of the range (in dollars per share) | $ 5.62
High end of the range (in dollars per share) | $ 15.00
Options Outstanding |
Number Outstanding (in shares) | 1,550
Weighted Average Remaining Contractual Life | 2 years 11 months 5 days
Weighted Average Exercise Price (in dollars per share) | $ 6.70
Options Exercisable |
Number Exercisable (in shares) | 1,043
Weighted Average Remaining Contractual Life | 2 years 2 months 1 day
Weighted Average Exercise Price (in dollars per share) | $ 7.03

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