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Note 4 - Fair Value of Below Market Time Charters Acquired (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Amortization of fair value of below market time charters acquired	$ 1,473,731	$ 184,950
Below Market Time Charters Acquired, Noncurrent	$ 240,639		$ 1,714,370

X

- Definition

The amount of amortization of fir value of below market time charters acquired.

+ References

No definition available.

+ Details

Name:	esea_AmortizationOfFairValueOfBelowMarketTimeChartersAcquired
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of below market time charters acquired classified as noncurrent.

+ References

No definition available.

+ Details

Name:	esea_BelowMarketTimeChartersAcquiredNoncurrent
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant