Quarterly report pursuant to Section 13 or 15(d)

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  
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
 
Number of Options, Granted 435,393us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
 
Number of Options, Exercised (23,075)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
 
Number of Options, Expired (Forfeited) (8,600)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
 
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
 
Number of Options, Vested and expected to vest at end of period 827,529us-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
 
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
 
Weighted average exercise price, Expired $ 0.65us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= eyeg_EquityIncentivePlan2014Member
 
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
 
Weighted average exercise price, Vested and expected to vest at end of period $ 2.46us-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 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