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Unaudited Condensed Consolidated Statements of Operations (Parentheticals) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Commissions paid to related party	$ 109,186	$ 85,701
Vessel operating expenses, related party	68,139	57,839
Other general and administrative expenses, related party	$ 500,000	$ 500,000

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