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Stock-Based Compensation (Details 3) (USD $) | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock Options, Non-vested - December 31, 2012 | 1,561,869
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 222,500
Stock Options, Vested/Exercised | (883,882)
Stock Options, Forfeited/Cancelled | (144,444)
Stock Options, Non-vested - December 31, 2013 | 756,043
Weighted Average Grant Date Fair Value, Non-vested - December 31, 2012 | $ 2.11
Weighted Average Grant Date Fair Value, Granted | $ 1.69
Weighted Average Grant Date Fair Value, Vested/Exercised | $ 1.93
Weighted Average Grant Date Fair Value, Forfeited/Cancelled | $ 2.27
Weighted Average Grant Date Fair Value, Non-vested - December 31, 2013 | $ 2.17
Stock Options, Weighted average remaining period for vesting | 1 year 3 months 18 days

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options vested. + References No definition available. + Details
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