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

Income Taxes (Details Textual)

v2.4.1.9
Income Taxes (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Line Items]    
Deferred Tax Assets, Operating Loss Carryforwards, Domestic $ 39,642,444us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic  
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 26,260,965us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal  
Deferred Tax Assets, Operating Loss Carryforwards, Foreign 4,623,428us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign  
Operating Loss Carryforwards Expiration Year 2034  
Deferred Tax Assets, Tax Credit Carryforwards, Research 1,190,024us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch 1,190,023us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 1,311,700us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 1,156,590us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Equity Method Investment, Ownership Percentage 50.01%us-gaap_EquityMethodInvestmentOwnershipPercentage  
Tax Credit Carryforward, Expiration Date Dec. 31, 2034  
Minimum [Member]    
Income Taxes [Line Items]    
Equity Method Investment, Ownership Percentage 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
State [Member]    
Income Taxes [Line Items]    
Deferred Tax Assets, Tax Credit Carryforwards, Research 270,647us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
/ us-gaap_StatementGeographicalAxis
= country_US
 
Federal [Member]    
Income Taxes [Line Items]    
Deferred Tax Assets, Tax Credit Carryforwards, Research 894,872us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
/ us-gaap_StatementGeographicalAxis
= eyeg_FederalMember
 
Foreign [Member]    
Income Taxes [Line Items]    
Deferred Tax Assets, Tax Credit Carryforwards, Research $ 24,505us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
/ us-gaap_StatementGeographicalAxis
= eyeg_ForeignMember