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Consolidated Statements of Operations (Parentheticals) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Commissions, related party | $ 474,466 | $ 641,104 | $ 766,304
Vessel operating expenses, related party | 399,665 | 347,840 | 392,731
Other general and administrative expenses, related party | 1,900,000 | 1,850,000 | 1,225,000
Net loss on sale of vessels, related party |  | $ 76,183 | $ 43,823

X
- Definition Represents commissions incurred in the period based upon the sale by related parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by related parties. + References No definition available. + Details
Name: | esea_CommissionsRelatedParty
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | esea_GainLossOnSaleOfVesselsRelatedParty
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Generally recurring costs paid to related parties associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. + References No definition available. + Details
Name: | esea_OperatingCostsAndExpensesRelatedParty
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