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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, 2013
Options Outstanding |
Number Outstanding (in shares) | 10,495
Weighted Average Remaining Contractual Life | 3 years 9 months 14 days
Weighted Average Exercise Price (in dollars per share) | $ 4.05
Aggregate Intrinsic value (in dollars) | $ 3,645
Options Exercisable |
Number Exercisable (in shares) | 6,595
Weighted Average Remaining Contractual Life | 2 years 6 months 11 days
Weighted Average Exercise Price (in dollars per share) | $ 4.10
Aggregate Intrinsic value (in dollars) | 2,825
$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) | 3,009
Weighted Average Remaining Contractual Life | 3 years 5 months 19 days
Weighted Average Exercise Price (in dollars per share) | $ 2.57
Aggregate Intrinsic value (in dollars) | 3,459
Options Exercisable |
Number Exercisable (in shares) | 1,874
Weighted Average Remaining Contractual Life | 2 years 9 months 7 days
Weighted Average Exercise Price (in dollars per share) | $ 2.25
Aggregate Intrinsic value (in dollars) | 2,749
$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) | 2,771
Weighted Average Remaining Contractual Life | 4 years 1 month 28 days
Weighted Average Exercise Price (in dollars per share) | $ 3.80
Aggregate Intrinsic value (in dollars) | 186
Options Exercisable |
Number Exercisable (in shares) | 1,514
Weighted Average Remaining Contractual Life | 3 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ 3.84
Aggregate Intrinsic value (in dollars) | $ 76
$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) | 3,759
Weighted Average Remaining Contractual Life | 3 years 11 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ 4.90
Options Exercisable |
Number Exercisable (in shares) | 2,545
Weighted Average Remaining Contractual Life | 1 year 9 months
Weighted Average Exercise Price (in dollars per share) | $ 5.10
$5.62 - $9.00 |
Exercise price range |
Low end of the range (in dollars per share) | $ 5.62
High end of the range (in dollars per share) | $ 9.00
Options Outstanding |
Number Outstanding (in shares) | 956
Weighted Average Remaining Contractual Life | 3 years 25 days
Weighted Average Exercise Price (in dollars per share) | $ 6.07
Options Exercisable |
Number Exercisable (in shares) | 662
Weighted Average Remaining Contractual Life | 2 years 10 months 2 days
Weighted Average Exercise Price (in dollars per share) | $ 6.10

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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