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Note 4 - Vessel, Net (Details Textual) - USD ($)		3 Months Ended
	Jan. 31, 2017	Mar. 31, 2017	Mar. 31, 2016
Proceeds from Sale of Property, Plant, and Equipment		$ 5,137,010	$ 1,549,603
Gain (Loss) on Disposition of Property Plant Equipment		$ 516,561
M/V RT Dagr [Member]
Proceeds from Sale of Property, Plant, and Equipment	$ 2,440,000
Sales Commission Percentage	4.00%
Gain (Loss) on Disposition of Property Plant Equipment	$ 516,651
M/V RT Dagr [Member] | Eurochart [Member]
Sales Commission Percentage	1.00%

X

- Definition

Represents sales commissions percentage on sale of property plant and equipment assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	esea_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
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X

- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CounterpartyNameAxis=esea_EurochartMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: