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Equity Incentive Plan (Details) (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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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of Options, Exercised | (23,075)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | |
| Equity Incentive Plan 2014 [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of Options, Outstanding beginning of year |
752,372us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Number of Options, Granted |
435,393us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Number of Options, Exercised |
(23,075)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Number of Options, Expired (Forfeited) |
(8,600)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Number of Options, Outstanding at end of period |
1,156,090us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
752,372us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
| Number of Options, Exercisable at end of period |
827,529us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Number of Options, Vested and expected to vest at end of period |
827,529us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average exercise price, Outstanding at beginning of year |
$ 0.91us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average exercise price, Granted |
$ 5.80us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average exercise price, Exercised |
$ 0.65us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average exercise price, Expired |
$ 0.65us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average exercise price, Outstanding at end of period |
$ 2.69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
$ 0.91us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
| Weighted average exercise price, Exercisable at end of period |
$ 2.46us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average exercise price, Vested and expected to vest at end of period |
$ 2.46us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = eyeg_EquityIncentivePlan2014Member |
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| Weighted average contractual life (In Years) Outstanding | 5 years 18 days | 4 years 6 months 18 days |
| Weighted average contractual life (In Years) Granted | 9 years 10 months 17 days | |
| Weighted average remaining exercisable contractual life (In Years) | 6 years 10 months 13 days | |
| Weighted average remaining vested and expected to vest contractual life (In Years) | 6 years 10 months 13 days |
| X | ||||||||||
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- Definition
Weighted average remaining contractual term for option awards 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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- Details
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| X | ||||||||||
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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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- Definition
For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. 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 option awards outstanding, 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
As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. 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 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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