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Warrants (Details) (Warrant [Member], USD $)
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3 Months Ended | 12 Months Ended |
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Mar. 31, 2015
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Dec. 31, 2014
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Warrant [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of Awards, Outstanding at December 31, 2014 |
21,964us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Number of Awards, Issued |
630,733us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Number of Awards, Exercised |
(10,929)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Number of Awards, Forfeited |
(3,788)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Number of Awards, Outstanding at March 31, 2015 |
637,980us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
21,964us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
| Weighted Average Exercise Price, Outstanding at December 31, 2014 |
$ 4.52eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonVestedWeightedAverageExercisePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Weighted Average Exercise Price, Issued |
$ 6.08eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageExercisePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Weighted Average Exercise Price, Exercised |
$ 0.65eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedWeightedAverageExercisePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Weighted Average Exercise Price, Forfeited |
$ 14.45eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedWeightedAverageExercisePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Weighted Average Exercise Price, Outstanding at March 31, 2015 |
$ 6.07eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonVestedWeightedAverageExercisePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
$ 4.52eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonVestedWeightedAverageExercisePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
| Weighted Average Remaining Term in Years, Issued | 6 years 6 months 18 days | 1 year 9 months 22 days |
| Weighted Average Remaining Term in Years, Outstanding at March 31, 2015 | 5 years 11 days |
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- Definition
The weighted average exercise price of exercised awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. No definition available.
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| X | ||||||||||
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- Definition
The weighted average exercise price of forfeited awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. No definition available.
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| X | ||||||||||
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- Definition
The weighted average exercise price of granted awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. No definition available.
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for equity-based awards excluding options granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Definition
The weighted average exercise price of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. No definition available.
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| X | ||||||||||
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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