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Document And Entity Information
 6 Months Ended
Jun. 30, 2015
shares
Document and Entity Information [Abstract]  
Entity Registrant Name EUROSEAS LTD.
Trading Symbol ESEA
Document Type 6-K
Current Fiscal Year End Date --12-31
Entity Common Stock, Shares Outstanding 5,784,025
Amendment Flag false
Entity Central Index Key 0001341170
Entity Current Reporting Status Yes
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Well-known Seasoned Issuer No
Document Period End Date Jun. 30, 2015
Document Fiscal Year Focus 2015
Document Fiscal Period Focus Q2