General form of registration statement for all companies including face-amount certificate companies

Equity Incentive Plan (Details)

v2.4.1.9
Equity Incentive Plan (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options, Exercised (23,075)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised  
Weighted average contractual life (In Years) Outstanding   4 years 6 months 18 days
Equity Incentive Plan 2014 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Options, Outstanding at beginning of year 752,372us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
762,944us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Number of Options, Granted 435,393us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Number of Options, Exercised (23,075)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
(2,277)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Number of Options, Expired (8,600)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
(8,295)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Number of Options, Outstanding at end of year 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 year 827,529us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
733,049us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Number of Options, Vested and expected to vest at end of year 827,529us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
733,049us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Weighted average exercise price, Outstanding at beginning of year 0.91us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
0.91us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Weighted average exercise price, Granted 5.80us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
 
Weighted average exercise price, Exercised 0.65us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
2.85us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Weighted average exercise price, Expired 0.65us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
3.60us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Weighted average exercise price, Outstanding at end of year 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 year 2.46us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
0.93us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
Weighted average exercise price, Vested and expected to vest at end of year 2.46us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
0.93us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
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 contractual life (In Years) Exercisable at end of period 6 years 10 months 13 days 6 years 10 months 13 days
Weighted average contractual life (In Years) Vested and expected to vest at end of period 6 years 10 months 13 days 6 years 10 months 13 days