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

Warrants (Details)

v2.4.1.9
Warrants (Details) (Warrant [Member], USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Warrant [Member]
   
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
 
Number of Awards, Issued 630,733us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Number of Awards, Exercised (10,929)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Number of Awards, Forfeited (3,788)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
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
 
Weighted Average Exercise Price, Issued $ 6.08eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageExercisePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Weighted Average Exercise Price, Exercised $ 0.65eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedWeightedAverageExercisePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
Weighted Average Exercise Price, Forfeited $ 14.45eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedWeightedAverageExercisePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
 
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