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Stockholders' Equity (Details 2) (USD $) | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options Outstanding | 16,538,118
Weighted-Average Remaining Contractual Life | 5 years 6 months 12 days
Weighted Average Exercise Price | $ 1.21
Options Exercisable | 12,690,114
Weighted-Average Exercise Price | $ 1.38
$0.00 – $1.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | $ 0
Exercise price, upper range limit | $ 1
Options Outstanding | 5,888,591
Weighted-Average Remaining Contractual Life | 8 years 1 month 30 days
Weighted Average Exercise Price | $ 0.56
Options Exercisable | 2,561,431
Weighted-Average Exercise Price | $ 0.57
$1.01 – $2.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | $ 1.01
Exercise price, upper range limit | $ 2
Options Outstanding | 9,363,064
Weighted-Average Remaining Contractual Life | 4 years 1 month 21 days
Weighted Average Exercise Price | $ 1.32
Options Exercisable | 8,903,626
Weighted-Average Exercise Price | $ 1.32
$2.01 – $4.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | $ 2.01
Exercise price, upper range limit | $ 4
Options Outstanding | 1,047,713
Weighted-Average Remaining Contractual Life | 3 years 1 month 0 days
Weighted Average Exercise Price | $ 3.02
Options Exercisable | 986,307
Weighted-Average Exercise Price | $ 3.06
$4.01 – $6.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | $ 4.01
Exercise price, upper range limit | $ 6
Options Outstanding | 188,750
Weighted-Average Remaining Contractual Life | 0 years 3 months 27 days
Weighted Average Exercise Price | $ 4.86
Options Exercisable | 188,750
Weighted-Average Exercise Price | $ 4.86
$6.01 – $6.12 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | $ 6.01
Exercise price, upper range limit | $ 6.12
Options Outstanding | 50,000
Weighted-Average Remaining Contractual Life | 0 years 2 months 23 days
Weighted Average Exercise Price | $ 6.12
Options Exercisable | 50,000
Weighted-Average Exercise Price | $ 6.12

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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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 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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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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 (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, 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 The ceiling 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 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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