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Note 3 - Advances for Vessels under Construction (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Advances For Vessels Under Construction [Abstract]
Advance for Vessel Acquisition	$ 22,428,693	$ 15,687,490

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- Definition

Represents Advances for vessel acquisition.

+ References

No definition available.

+ Details

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Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	esea_AdvancesForVesselsUnderConstructionAbstract
Namespace Prefix:	esea_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration