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Unaudited Condensed Consolidated Statements of Operations (Parentheticals) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Commissions, related party	$ 240,976	$ 180,828
Vessel operating expenses, related party	117,705	121,166
Other general and administrative expenses, related party	$ 1,000,000	$ 1,000,000

X

- Definition

Represents related party commissions.

+ References

No definition available.

+ Details

Name:	esea_CommissionsRelatedParty
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents related party associated with vessel operating expenses.

+ References

No definition available.

+ Details

Name:	esea_VesselOperatingExpensesRelatedParty
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration