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Stock-Based Compensation (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014
Options Outstanding |
Number Outstanding (in shares) | 9,640
Weighted Average Remaining Contractual Life | 3 years 8 months 26 days
Weighted Average Exercise Price (in dollars per share) | $ 4.08
Aggregate Intrinsic value (in dollars) | $ 7,329
Options Exercisable |
Number Exercisable (in shares) | 6,285
Weighted Average Remaining Contractual Life | 2 years 8 months 5 days
Weighted Average Exercise Price (in dollars per share) | $ 4.13
Aggregate Intrinsic value (in dollars) | 5,094
$1.50 - $3.23 |
Exercise price range |
Low end of the range (in dollars per share) | $ 1.50
High end of the range (in dollars per share) | $ 3.23
Options Outstanding |
Number Outstanding (in shares) | 2,735
Weighted Average Remaining Contractual Life | 3 years 14 days
Weighted Average Exercise Price (in dollars per share) | $ 2.60
Aggregate Intrinsic value (in dollars) | 5,313
Options Exercisable |
Number Exercisable (in shares) | 1,789
Weighted Average Remaining Contractual Life | 2 years 5 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ 2.33
Aggregate Intrinsic value (in dollars) | 3,948
$3.24 - $4.25 |
Exercise price range |
Low end of the range (in dollars per share) | $ 3.24
High end of the range (in dollars per share) | $ 4.25
Options Outstanding |
Number Outstanding (in shares) | 2,565
Weighted Average Remaining Contractual Life | 4 years 1 month 17 days
Weighted Average Exercise Price (in dollars per share) | $ 3.81
Aggregate Intrinsic value (in dollars) | 1,866
Options Exercisable |
Number Exercisable (in shares) | 1,508
Weighted Average Remaining Contractual Life | 4 years
Weighted Average Exercise Price (in dollars per share) | $ 3.83
Aggregate Intrinsic value (in dollars) | 1,074
$4.26 - $5.61 |
Exercise price range |
Low end of the range (in dollars per share) | $ 4.26
High end of the range (in dollars per share) | $ 5.61
Options Outstanding |
Number Outstanding (in shares) | 3,400
Weighted Average Remaining Contractual Life | 4 years 2 months 26 days
Weighted Average Exercise Price (in dollars per share) | $ 4.94
Aggregate Intrinsic value (in dollars) | 150
Options Exercisable |
Number Exercisable (in shares) | 2,269
Weighted Average Remaining Contractual Life | 2 years
Weighted Average Exercise Price (in dollars per share) | $ 5.15
Aggregate Intrinsic value (in dollars) | $ 72
$5.62 - $6.50 |
Exercise price range |
Low end of the range (in dollars per share) | $ 5.62
High end of the range (in dollars per share) | $ 6.50
Options Outstanding |
Number Outstanding (in shares) | 940
Weighted Average Remaining Contractual Life | 2 years 10 months 13 days
Weighted Average Exercise Price (in dollars per share) | $ 5.98
Options Exercisable |
Number Exercisable (in shares) | 719
Weighted Average Remaining Contractual Life | 2 years 7 months 2 days
Weighted Average Exercise Price (in dollars per share) | $ 5.98

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