v3.10.0.1
Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2018
Feb. 27, 2019
Jun. 30, 2018
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Registrant Name EYEGATE PHARMACEUTICALS INC    
Entity Central Index Key 0001372514    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Non-accelerated Filer    
Entity Public Float     $ 11,547,784
Trading Symbol EYEG    
Entity Common Stock, Shares Outstanding   43,790,737  
Entity Shell Company false    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Small Business true