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Note 9 - Income Taxes (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019
Effective United States Tax on U.S. Source Shipping | 2.00% |  | 4.00%
Effective Tax on U.S. Source Shipping, Amount | $ 19,726 | $ 15,135 |

X
- Definition The amount of tax paid for the effective tax on U.S. source shipping. + References No definition available. + Details
Name: | esea_EffectiveTaxOnUsSourceShippingAmount
Namespace Prefix: | esea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The effective tax rate of United States federal tax on U.S. sourced shipping. + References No definition available. + Details
Name: | esea_EffectiveUnitedStatesTaxOnUsSourceShipping
Namespace Prefix: | esea_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant