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Note 5 - Fair Value of Below Market Time Charters Acquired - Amortization of Intangible Liability (Details)	Jun. 30, 2022 USD ($)
2023	$ 15,411,223
2024	15,440,301
2025	11,452,328
2026	393,394
Total	$ 42,697,246

X

- Definition

Amount of total expected amortization expense for below market time charters.

+ References

No definition available.

+ Details

Name:	esea_BelowMarketTimeChartersExpectedAmortizationTotal
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of expected amortization in year four for below market time charters.

+ References

No definition available.

+ Details

Name:	esea_BelowMarketTimeChartersExpectedAmortizationYearFour
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of expected amortization in year one for below market time charters.

+ References

No definition available.

+ Details

Name:	esea_BelowMarketTimeChartersExpectedAmortizationYearOne
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of expected amortization expense in year three for below market time charters.

+ References

No definition available.

+ Details

Name:	esea_BelowMarketTimeChartersExpectedAmortizationYearThree
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of expected amortization expense in year two for below market time charters.

+ References

No definition available.

+ Details

Name:	esea_BelowMarketTimeChartersExpectedAmortizationYearTwo
Namespace Prefix:	esea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant