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Note 8 - Fair Value of Time Charters Acquired (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 Maersk Noumea [Member] | Dec. 31, 2008 Maersk Noumea [Member] | Dec. 31, 2008 Charter One [Member] | Dec. 31, 2008 Charter Two [Member] | Dec. 31, 2008 Charter Three [Member]
Note 8 - Fair Value of Time Charters Acquired (Details) [Line Items] |  |  |  |  |  |  |  |
Charter Rate Per Day |  |  |  |  | $ 16,800 | $ 18,735 | $ 19,240 | $ 19,750
Present Value Of Below Market Acquired Time Charter |  |  |  |  | 9,597,438 |  |  |
Voyage Revenues | 40,850,051 | 54,921,697 | 64,129,511 | 1,318,211 |  |  |  |
Unamortized Below Market Rate Charter | $ 0 | $ 0 |  |  |  |  |  |

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- Definition Charter Rate Per Day + References No definition available. + Details
Name: | esea_CharterRatePerDay
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | esea_Note8FairValueofTimeChartersAcquiredDetailsLineItems
Namespace Prefix: | esea_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Present Value Of Below Market Acquired Time Charter + References No definition available. + Details
Name: | esea_PresentValueOfBelowMarketAcquiredTimeCharter
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Unamortized Below Market Rate Charter + References No definition available. + Details
Name: | esea_UnamortizedBelowMarketRateCharter
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Revenues arising from services provided to charterers according to the terms and conditions included in charter agreements. + References No definition available. + Details
Name: | esea_VoyageRevenues
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration