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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