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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: