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v3.20.1

Consolidated Statements of Operations (Parentheticals) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Commissions, related party | $ 493,341 | $ 453,361 | $ 310,467
Vessel operating expenses, related party | 249,081 | 256,069 | 190,723
Other general and administrative expenses, related party | 1,344,250 | 1,561,126 | 1,306,476
Net gain on sale of vessels, related party | 0 | 64,500 | 70,640
Interest and other financing costs, related party | $ 84,444 | $ 0 | $ 0

X
- Definition Represents related party commissions. + References No definition available. + Details
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Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest and other financing costs attributable to related parties. + References No definition available. + Details
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Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents net gain (loss) on sale of vessels with related party. + References No definition available. + Details
Name: | esea_NetGainLossOnSaleOfVesselsRelatedParty
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration