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Note 4 - Advances for Vessels Under Construction - Schedule of Advances for Vessels Under Construction (Details) - USD ($) | Dec. 31, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Jan. 01, 2022
--- | --- | --- | --- | ---
Balance | $ 85,375,650 |  | $ 59,083,594 | $ 7,615,958
Advances for vessels under construction |  | $ 111,194,917 | $ 51,467,636 |
Vessel “Gregos” [Member] |  |  |  |
Newbuilding vessel “Gregos” delivered during the period | (42,356,864) |  |  |
Vessel “Terataki” [Member] |  |  |  |
Newbuilding vessel “Gregos” delivered during the period | $ (42,545,997) |  |  |

X
- Definition Represents advances for vessel construction. + References No definition available. + Details
Name: | esea_AdvancesForVesselUnderConstruction
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Relates to the finished vessel. + References No definition available. + Details
Name: | esea_AdvancesForVesselUnderConstructionDecreaseForFinishedVessel
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the additional costs capitalized related to the construction. + References No definition available. + Details
Name: | esea_AdvancesForVesselUnderConstructionIncreaseInCapitalizedConstructionCost
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=esea_VesselGregosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=esea_VesselTeratakiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |