Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan (Details Textual)

v2.4.1.9
Equity Incentive Plan (Details Textual) (USD $)
3 Months Ended 12 Months Ended 1 Months Ended
Mar. 31, 2015
Dec. 31, 2010
Feb. 28, 2015
May 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 911,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 3 years 7 months 17 days      
Stock Issued During Period, Shares, Period Increase (Decrease)   891,222us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease    
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding And Exercisable Intrinsic Value $ 1,850,000eyeg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAndExercisableIntrinsicValue      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 70,567us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant      
2005 And 2014 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 445,771us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= eyeg_And2014PlanMember
     
2014 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 728,597us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= eyeg_TwoZeroOnePlanMember
     
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights vest 13 % on the issuance date and 29% on each of the followingJune 30, 2015, September 30, 2015 and December 31, 2015      
Restricted Stock [Member] | Subsequent Event [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant       125,412us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
IPO [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock Issued During Period, Shares, Other     60,358us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember