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Equity Incentive Plans and Stock-Based Compensation (Details 4) | 12 Months Ended
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Dec. 31, 2016 $ / shares shares
Exercise price range 1 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | $ 4.13
Exercise price range, high end of range (in dollars per share) | $ 5.39
Options Outstanding |
Number Outstanding (in shares) | shares | 651,904
Weighted Average Remaining Contractual Life (in years) | 4 years 11 months 23 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 4.33
Options Exercisable |
Number Exercisable (in shares) | shares | 109,740
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 4.77
Exercise price range 2 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 5.46
Exercise price range, high end of range (in dollars per share) | $ 5.46
Options Outstanding |
Number Outstanding (in shares) | shares | 706,814
Weighted Average Remaining Contractual Life (in years) | 5 years 6 months 7 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.46
Options Exercisable |
Number Exercisable (in shares) | shares | 669,387
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 5.46
Exercise price range 3 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 5.49
Exercise price range, high end of range (in dollars per share) | $ 5.63
Options Outstanding |
Number Outstanding (in shares) | shares | 548,630
Weighted Average Remaining Contractual Life (in years) | 2 years 6 months 15 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.63
Options Exercisable |
Number Exercisable (in shares) | shares | 546,887
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 5.63
Exercise price range 4 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 5.76
Exercise price range, high end of range (in dollars per share) | $ 5.76
Options Outstanding |
Number Outstanding (in shares) | shares | 1,195,119
Weighted Average Remaining Contractual Life (in years) | 5 years 6 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 5.76
Options Exercisable |
Number Exercisable (in shares) | shares | 600,119
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 5.76
Exercise price range 5 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 6.83
Exercise price range, high end of range (in dollars per share) | $ 8.73
Options Outstanding |
Number Outstanding (in shares) | shares | 667,795
Weighted Average Remaining Contractual Life (in years) | 4 years 11 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 7.72
Options Exercisable |
Number Exercisable (in shares) | shares | 644,421
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 7.70
Exercise price range 6 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 8.76
Exercise price range, high end of range (in dollars per share) | $ 8.76
Options Outstanding |
Number Outstanding (in shares) | shares | 945,290
Weighted Average Remaining Contractual Life (in years) | 6 years 9 months 26 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 8.76
Options Exercisable |
Number Exercisable (in shares) | shares | 608,983
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 8.76
Exercise price range 7 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 9.18
Exercise price range, high end of range (in dollars per share) | $ 12.30
Options Outstanding |
Number Outstanding (in shares) | shares | 708,832
Weighted Average Remaining Contractual Life (in years) | 7 years 5 months 16 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 11.29
Options Exercisable |
Number Exercisable (in shares) | shares | 351,337
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 11.13
Exercise price range 8 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 12.31
Exercise price range, high end of range (in dollars per share) | $ 18.69
Options Outstanding |
Number Outstanding (in shares) | shares | 897,324
Weighted Average Remaining Contractual Life (in years) | 5 years 1 month 28 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 14.82
Options Exercisable |
Number Exercisable (in shares) | shares | 534,347
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 16.42
Exercise price range 9 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 19.16
Exercise price range, high end of range (in dollars per share) | $ 22.72
Options Outstanding |
Number Outstanding (in shares) | shares | 686,500
Weighted Average Remaining Contractual Life (in years) | 1 year 11 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 20.47
Options Exercisable |
Number Exercisable (in shares) | shares | 686,500
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 20.47
Exercise price range 10 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 23.60
Exercise price range, high end of range (in dollars per share) | $ 23.60
Options Outstanding |
Number Outstanding (in shares) | shares | 625
Weighted Average Remaining Contractual Life (in years) | 1 year 3 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 23.60
Options Exercisable |
Number Exercisable (in shares) | shares | 625
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 23.60
Exercise price range 11 |
Exercise price range |
Exercise price range, low end of range (in dollars per share) | 4.13
Exercise price range, high end of range (in dollars per share) | $ 23.60
Options Outstanding |
Number Outstanding (in shares) | shares | 7,008,833
Weighted Average Remaining Contractual Life (in years) | 4 years 11 months 23 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 9.34
Options Exercisable |
Number Exercisable (in shares) | shares | 4,752,346
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 10.05

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