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Note 7 - Fair Value of Below Market Time Charters Acquired - Amortization of Intangible Liability (Details) | Dec. 31, 2022 USD ($)
--- | ---
2024 | $ (4,737,600)
2025 | (2,842,706)
Total | $ (7,580,306)

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 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 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