Document And Entity Information
Other income/(expenses)
esea_CommonStockValueDistributed
Common Stock, Value, Distributed
Represents amount of common stock distributed.
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 1 - Basis of Presentation and General Information
Note 3 - Inventories
Note 4 - Vessels, Net
Note 5 - Accrued Expenses
Note 7 - Long-term Debt
Note 10 - Stock Incentive Plan
Not Designated as Hedging Instrument [Member]
Long-term liabilities
Note 11 - Loss Per Share
Note 12 - Voyage and Vessel Operating Expenses
Income Tax Disclosure [Text Block]
Note 13 - Derivative Financial Instruments
Note 14 - Investment in Joint Venture and Other Investment
esea_DisposalGroupIncludingDiscontinuedOperationDrydockingExpenses
Drydocking expenses
Amount of Drydocking expenses attributable to disposal group, including, but not limited to, discontinued operation.
Note 15 - Preferred Shares
Hedging Designation [Axis]
esea_DisposalGroupIncludingDiscontinuedOperationManagementFees
Related party management fees
Amount of management fees attributable to disposal group, including, but not limited to, discontinued operation.
Note 16 - Financial Instruments
Hedging Designation [Domain]
Note 17 - Discontinued Operations
us-gaap_LiabilitiesCurrent
Total current liabilities
esea_DisposalGroupIncludingDiscontinuedOperationCommissions
Commissions (including, $104,148, $253,503 and $324,178, respectively, to related party)
Amount of commissions attributable to disposal group, including, but not limited to, discontinued operation.
Note 1 - Basis of Presentation and General Information - Charterers Individually Accounted for More than 10% of the Company's Voyage and Time Charter Revenues (Details)
esea_DisposalGroupIncludingDiscontinuedOperationWeightedAverageNumberOfSharesOutstandingBasicAndDiluted
Weighted average number of shares outstanding during period, basic and diluted (in shares)
Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS) attributable to disposal group, including, but not limited to, discontinued operation.
Note 3 - Inventories - Summary of Inventories (Details)
Current liabilities of discontinued operations
esea_DisposalGroupIncludingDiscontinuedOperationPreferredStockDividendsIncomeStatementImpact
Dividend Series B Preferred Shares
The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders attributable to disposal group, including, but not limited to, discontinued operation.
Note 4 - Vessels, Net - Summary of Vessels (Details)
Net income
Amount of net operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.
Note 5 - Accrued Expenses - Summary of Accrued Expenses (Details)
esea_DisposalGroupIncludingDiscontinuedOperationVoyageExpenses
Voyage expenses
Amount of voyage expenses attributable to disposal group, including, but not limited to, discontinued operation.
Note 7 - Long-term Debt - Summary of Long-term Debt (Details)
Note 7 - Long-term Debt - Summary of Future Annual Loan Repayments for Long-term Debt (Details)
Note 10 - Stock Incentive Plan - Summary of the Status of the Company's Non-vested Shares (Details)
Note 11 - Loss Per Share - Summary of Basic and Diluted Loss Per Common Share (Details)
Drybulk Fleet [Member]
Represents information about DryBulk Fleet.
ATM Common Stock Offering [Member]
An at-the-market (ATM) offering is a type of follow-on offering of stock utilized by publicly traded companies in order to raise capital over time.
Note 12 - Voyage and Vessel Operating Expenses - Summary of Voyage, Vessel, Operating Expenses and Commissions (Details)
Note 13 - Derivative Financial Instruments - Derivatives Not Designated as Hedging Instruments by Account Type (Details)
Note 13 - Derivative Financial Instruments - Gain or Loss on Derivatives Not Designated as Hedging Instruments (Details)
Note 14 - Investment in Joint Venture and Other Investment - Investment in Joint Venture (Details)
Note 15 - Preferred Shares - Dividends Series B Preferred Shares (Details)
Note 16 - Financial Instruments - Fair Value of Company's Liabilities (Details)
Note 16 - Financial Instruments - Fair Value of Company's Investments (Details)
Note 17 - Discontinued Operations - Results of Discontinued Operations (Details)
Note 17 - Discontinued Operations - Results of Discontinued Operations (Details) (Parentheticals)
Granted, weighted average grant date fair value (in dollars per share)
us-gaap_DerivativeNumberOfInstrumentsHeld
Derivative, Number of Instruments Held, Total
us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Business Acquisition, Percentage of Voting Interests Acquired
Vested, weighted average grant date fair value (in dollars per share)
Derivatives, Current
Notes To Financial Statements
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Notes To Financial Statements [Abstract]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Non-vested, weighted average grant date fair value (in dollars per share)
Non-vested, weighted average grant date fair value (in dollars per share)
Net loss attributable to common shareholders
esea_NetIncomeLossAttributableToCommonShareholdersContinuingOperations
Represents the amount of net income (loss) from continuing operations attributable to common shareholders.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Non-vested (in shares)
Non-vested (in shares)
Schedule of Nonvested Share Activity [Table Text Block]
Agreement with Friends Investment Co. [Member]
Represents a stock offering agreement with Friends Investment Co.
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested (in shares)
Long-term debt, current portion net of deferred charges and debt discount
esea_PreferredStockSharesReceived
Preferred Stock, Shares, Received
Number of shares received for preferred stock.
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
TCP [Member]
Represents Technomar.
esea_CommonStockValueReceived
Common Stock, Value, Received
Amount of common stock received.
Other investment, fair value
esea_OtherInvestmentFairValueDisclosure
Fair value portion of other investment.
First Five Years [Member]
Represents information applicable to the first five years during which the stock is outstanding.
Interest Rate Contract [Member]
esea_PreferredStockAdditionalCashDividendUnderOtherSpecifiedConditionsPercentage
Preferred Stock Additional Cash Dividend Under Other Specified Conditions Percentage
The additional cash dividend, expressed as a percentage of the common stock dividend which would have been paid to Series B preferred shareholders on an as-converted basis, if a cash dividend is paid on the Company's common stock and if the dividend paid on the Series B Preferred Shares is 0%. However, this holds true only if the amount would exceed the normal 5% preferred dividend.
esea_PreferredStockDividendRateUnderOtherSpecifiedConditionsPercentage
Preferred Stock Dividend Rate Under Other Specified Conditions Percentage
The preferred stock dividend rate that will be used to determine the cash dividend that will be paid to Series B preferred shareholders under the following conditions: a cash dividend is paid on the Company's common stock and the dividend paid on the Series B Preferred Shares is 0%, and such amount exceeds 100% of the common stock dividend that would have been paid to the Series B preferred shareholders on an as-converted basis.
esea_PreferredStockAdditionalCashDividendUnderSpecifiedConditionsPercentage
Preferred Stock Additional Cash Dividend Under Specified Conditions Percentage
The additional cash dividend, expressed as a percentage of the common stock dividend which would have been paid to Series B preferred shareholders on an as-converted basis, if a cash dividend is paid on the Company's common stock and if the dividend paid on the Series B Preferred Shares is 5% (in which case the 5% Series B preferred dividend will also be paid in cash).
After Year Seven [Member]
Represents information applicable when the stock has been outstanding for more than seven years.
After First Five Years [Member]
Represents after first five years.
Years Six and Seven [Member]
Represents information applicable to the sixth and seventh years during which the stock is outstanding.
Ordinary Preferred Stock [Member]
Information related to ordinary preferred stock.
Preferred Stock Issued as Dividends [Member]
Information related to preferred stock issued as dividends.
esea_PreferredStockConvertibleInitialConversionPrice
Preferred Stock Convertible Initial Conversion Price
The initial conversion price at which each preferred share is convertible into common stock (subject to adjustment, including upon a default).
Cash breakdown
Impairment Loss and Loss on Write-down of Vessels Held for Sale [Member]
Represents information pertaining to the income statement line item Impairment Loss and Loss on Write-down of Vessels Held for Sale.
M/V Aggeliki P. and M/V Monika P. [Member]
Represents information pertaining to M/V "Aggeliki P.," a 2,008 teu 1998-built container carrier and M/V "Monika P.," a 46,667 dwt 1998-built drybulk carrier.
M/V Monika P. [Member]
Represents information pertaining to M/V "Monika P.," a 46,667 dwt 1998-built drybulk carrier.
Commissions - related party
Amount of commissions attributable to disposal group, including, but not limited to, discontinued operation for related party.
Vessel operating expenses - related party
Amount of vessel operating expenses attributable to disposal group, including, but not limited to, discontinued operation for related party.
Eton Park and Rhone [Member]
Represents Eton Park and Rhone.
M/V EM Astoria [Member]
Represents the vessel M/V EM Astoria.
Accrued expenses
Total
Accrued interest expense
Trade accounts payable
Revolving Credit Facility [Member]
Capital expenditures included in liabilities
Proceeds from sale of vessels
Proceeds from Sale of Property, Plant, and Equipment, Total
Credit Facility [Axis]
Credit Facility [Domain]
Other accrued expenses
Mezzanine Equity
Accrued payroll expenses
us-gaap_PolicyTextBlockAbstract
Accounting Policies
M/V Aggeliki P. [Member]
Represents information pertaining to M/V "Aggeliki P."
esea_RepaymentsOfLongtermDebtPrepaymentOfInstallment
Repayments of Long-term Debt, Prepayment of Installment
The portion of the cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer, representing prepayment of an installment.
esea_RepaymentsOfLongtermDebtBalloonRepayment
Repayments of Long-term Debt, Balloon Repayment
The portion of the cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer, representing repayment of the balloon.
Accrued commissions
Shares issued as consideration for vessel acquisition including inventory on-board
Oinousses Navigation Ltd., Corfu Navigation Ltd., Bridge Shipping Ltd., and Athens Shipping Ltd. [Member]
Represents information pertaining to a term loan facility to partially finance the purchase of four vessels associated with Oinousses Navigation Ltd., Corfu Navigation Ltd., Bridge Shipping Ltd., and Athens Shipping Ltd., respectively.
Offering expenses accrued
The 18 Key Persons [Member]
Related to the 18 key persons given awards.
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Payments to Acquire Property, Plant, and Equipment, Total
Cash paid for capitalized expenses and vessel acquisition
Financing, and investing activities fees:
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Loan arrangement fees accrued
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Financial Instruments Disclosure [Text Block]
Current liabilities
us-gaap_InterestPaid
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total
Vesting [Axis]
us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup
Assets Held-for-sale, Not Part of Disposal Group, Total
Vesting [Domain]
Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Award, Tranche Two [Member]
Supplemental cash flow information
us-gaap_Assets
Total assets
us-gaap_LongTermDebtFairValue
Long-term Debt, Fair Value
Plan Name [Axis]
esea_InvestmentInJointVentureTotalMaximumInvestmentByMembers
Investment in Joint Venture Total Maximum Investment by Members
Investment in Joint Venture, Total Maximum Investment by Members
Preferred Stock [Text Block]
Plan Name [Domain]
esea_VesselAcquisitionEscrowDepositContributedToJointVenture
Vessel Acquisition, Escrow Deposit Contributed to Joint Venture
The amount of escrow deposit contributed to the joint venture in relation to the acquisition of a vessel.
Net loss attributable to common shareholders, continuing operations
Net loss attributable to common shareholders, continuing operations
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total
Net (loss) / income attributable to common shareholders, discontinued operations
Net loss attributable to common shareholders, discontinued operations
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net loss attributable to common shareholders
Net loss attributable to common shareholders
Increase / (decrease) in:
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
esea_EquityLossAndImpairmentOfInvestmentInJointVenture
Equity loss and impairment of investment in joint venture
The equity loss and impairment of investment from joint venture.
Friends Investment Company Inc. [Member]
Related to the Friends Investment Company.
Business Description and Basis of Presentation [Text Block]
Equity Award [Domain]
us-gaap_EscrowDeposit
Escrow Deposit
us-gaap_PreferredStockDividendsIncomeStatementImpact
Dividends to Series B preferred shares
us-gaap_RestrictedCashAndCashEquivalents
Restricted Cash and Cash Equivalents, Total
Net income attributable to discontinued operations
Award Type [Axis]
Net loss
Net loss, continuing operations
esea_PropertyPlantEquipmentDisposalsNetOfAccumulatedDepreciation
- Sale of vessels
Represents the disposal of property plant and equipment net of accumulated depreciation.
Eurobank [Member]
Represents information pertaining to Eurobank.
Restricted Stock [Member]
Inventory [Axis]
esea_LongtermDebtCurrentGross
Less: Current portion
Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt classified as current. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.
Inventory [Domain]
esea_LongtermDebtNoncurrentGross
Long-term portion
Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt classified as noncurrent. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.
M/V Aegean Express [Member]
Related to the vessel Aegean Express.
Litigation Status [Axis]
Alterwall Business Inc. [Member]
Related to Alterwall Business Inc.
Litigation Status [Domain]
esea_FairValueInputsCostOfCapital
Fair Value Inputs, Cost of Capital
The cost of capital used in calculating various fair values.
Vessels [Member]
Related to vessels.
Pending Litigation [Member]
Commitments and Contingencies Disclosure [Text Block]
Accumulated depreciation
Accumulated depreciation
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Vessels, net
Net book value
Net book value
us-gaap_PropertyPlantAndEquipmentGross
Costs
Costs
us-gaap_DueFromRelatedParties
Due from Related Parties, Total
us-gaap_DerivativeFairValueOfDerivativeLiability
Interest rate swap contract, current portion
us-gaap_EquityMethodInvestmentOwnershipPercentage
Equity Method Investment, Ownership Percentage
esea_InvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVenturesInvestmentPerCounterparty
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Investment Per Counterparty
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures per each counterparty.
esea_EquityMethodInvestmentOwnershipPercentagePerCounterpartyPercentage
Equity Method Investment, Ownership Percentage Per Counterparty, Percentage
Percentage of ownership in joint venture or other investment by each counterparty.
Net gain on sale of vessels, related party
Represents net gain (loss) on sale of vessels with related party.
Sale at the Market [Member]
Sale of securities sold at the market.
Derivative Instrument [Axis]
Derivative Contract [Domain]
Cash flows from investing activities:
Other general and administrative expenses, related party
Related party management fee income
Revenue from Related Parties
M/V Dagr Including Fuel on Board [Member]
Related to a vessel with fuel on board.
M/V RT Dagr, Fuel on Board [Member]
Represents the fuel on board the M/V RT Dagr.
Earnings Per Share [Text Block]
us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Related Party Transaction, Expenses from Transactions with Related Party
Entities Managed by Tennenbaum Capital Partners [Member]
Related to entities managed.
Investment Income [Table Text Block]
Colby Trading Ltd [Member]
Represents Colby Trading Ltd, a company affiliated with Euroseas' CEO.
Equity loss in joint venture
Income (Loss) from Equity Method Investments, Total
us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accrued expenses
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
us-gaap_EquityMethodInvestments
Equity Method Investments
Related party management fees
Related Party Transactions Disclosure [Text Block]
(Loss) / gain on derivatives, net
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss)
Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Domain]
us-gaap_OperatingExpenses
Total operating expenses, continuing operations
us-gaap_IncreaseDecreaseInAccountsPayableTrade
Trade accounts payable
us-gaap_RestrictedCash
Restricted Cash, Total
Other general and administrative expenses (including $1,479,374, $1,306,476 and $1,561,126, respectively, to related party)
us-gaap_IncreaseDecreaseInDueToAffiliates
Due to related company
us-gaap_IncreaseDecreaseInDueToRelatedParties
Increase (Decrease) in Due to Related Parties, Total
us-gaap_Cash
Cash, Ending Balance
Cash and cash equivalents
us-gaap_AllocatedShareBasedCompensationExpense
Allocated Share-based Compensation Expense, Total
Alterwall Business Inc. Vs. Fuel Oil Supplier [Member]
Information pertaining to the litigation case between Artwell Business Inc. and a fuel oil supplier.
Amendment Flag
Use of Estimates, Policy [Policy Text Block]
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment, Total
New Accounting Pronouncements, Policy [Policy Text Block]
Shares forfeited
us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Gain (Loss) on Disposition of Property Plant Equipment, Total
Net gain on sale of vessels
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common stock, shares outstanding (in shares)
Preferred stock, shares outstanding (in shares)
Balance (in shares)
Balance (in shares)
Current Fiscal Year End Date
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
MV EM Athens [Member]
Document Fiscal Period Focus
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
Payment-in-kind dividends
Dividends, Paid-in-kind, Total
M/V Akinada Bridge [Member]
Document Period End Date
M/V EM Corfu [Member]
M/V EM Oinousses [Member]
us-gaap_IncreaseDecreaseInPrepaidExpense
Prepaid expenses
Entity Emerging Growth Company
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Document Type
Net Gain on Sale of Vessels [Member]
Primary financial statement caption encompassing net gain on sale of vessels in the normal course of business.
Vessels held for sale, impairment loss
Loss on write-down of vessels held for sale
Asset Impairment Charges, Total
Interim Period, Costs Not Allocable [Domain]
Entity Small Business
Entity Shell Company
Document Information [Line Items]
us-gaap_DebtInstrumentCollateralAmount
Debt Instrument, Collateral Amount
Dividends declared
us-gaap_DividendsPreferredStock
Document Information [Table]
Nature of Expense [Axis]
Current Interest Rate Swap [Member]
Refers to information regarding current interest rate swaps.
Entity Filer Category
Debt Instrument [Axis]
Accrued deferred charges
Carrying value as of the balance sheet date of deferred charges.
Entity Current Reporting Status
Debt Instrument, Name [Domain]
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
London Interbank Offered Rate (LIBOR) [Member]
Noncurrent Interest Rate Swap [Member]
Refers to noncurrent interest rate swaps.
Variable Rate [Domain]
Schedule of Long-term Debt Instruments [Table Text Block]
esea_EstimatedCostToSellProperty
Estimated cost to sell, property
The estimated cost to sell, property.
Variable Rate [Axis]
esea_PercentOfCashFlowAfterDebtServiceSetAside
Percent of Cash Flow After Debt Service Set Aside
The percentage of cash flow after debt service set aside to be used for debt payment.
esea_VesselProfitParcitipationLiability
Vessel Profit Parcitipation Liability
The amount of vessel profit participation liability.
us-gaap_IncreaseDecreaseInAccountsReceivable
Trade accounts receivable
Concentration Risk, Percentage
esea_PercentSharedWithBankInExcessOfFairMarketValue
Percent Shared With Bank in Excess of Fair Market Value
The percent of profit sharing shared with bank in excess of fair market value of the vessel.
us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables
Other receivables
Entity Central Index Key
Entity Registrant Name
esea_EffectiveTaxOnUsSourceShippingAmount
Effective Tax on U.S. Source Shipping, Amount
The amount of tax paid for the effective tax on U.S. source shipping.
Entity [Domain]
esea_EffectiveUnitedStatesTaxOnUsSourceShipping
Effective United States Tax on U.S. Source Shipping
The effective tax rate of United States federal tax on U.S. sourced shipping.
Legal Entity [Axis]
Freight Forward Agreements [Member]
Refers to information regarding freight forward agreements.
Customer Concentration Risk [Member]
Freight Forward Agreements, Realized Gain (Loss) [Member]
Refers to information regarding the realized gain (loss) of freight forward agreements.
Freight Forward Agreements, Fair Value [Member]
Refers to the fair value of freight forward agreements.
esea_CharterEquivalentRatePerDay
Charter Equivalent Rate Per Day
Amount per day due for time charter.
Interest Rate Contracts, Realized (Loss) / Gain [Member]
Refers to the information regarding the realized loss gain interest rate contract.
Interest Rate Swap Contracts, Fair Value [Member]
Refers to information regarding the fair value of Interest Rate Swap Contracts.
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Entity Common Stock, Shares Outstanding (in shares)
us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets
Stock Issued During Period, Value, Purchase of Assets
Issuance of shares for vessel acquisition, net of issuance costs (in shares)
Stock Issued During Period, Shares, Purchase of Assets
Sales Revenue, Net [Member]
Dividends declared (in shares)
us-gaap_PreferredStockDividendsShares
Long-term Debt [Text Block]
us-gaap_IncreaseDecreaseInInventories
Inventories
Trading Symbol
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
esea_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Granted in Period, Fair Value
Fair value of equity instruments other than options granted. Excludes stock (or unit) options, for example, but not limited to, share units, stock appreciation rights, restricted stock.
Noumea Shipping Ltd [Member]
Represents the entity of Noumea Shipping Ltd.
us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Line of Credit Facility, Commitment Fee Percentage
us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Line of Credit Facility, Remaining Borrowing Capacity
Vessel operating expenses, related party
Represents related party associated with vessel operating expenses.
us-gaap_TableTextBlock
Notes Tables
Commissions, related party
Represents related party commissions.
Issuance of restricted shares for stock incentive award and share-based compensation (in shares)
Shares forfeited (in shares)
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Issuance of restricted shares for stock incentive award and share-based compensation
Related Party [Axis]
Related Party [Domain]
Vessel Acquisition [Member]
Related to the acquisition of a vessel.
esea_PropertyPlantAndEquipmentValueToOutstandingFacilityAmount
Property, Plant and Equipment Value to Outstanding Facility Amount
The threshold, over which collateral pledged is released, of property, plant, and equipment value over the outstanding value of a facility taken by the company.
esea_DebtInstrumentNumberOfPeriodicPayments
Debt Instrument, Number of Periodic Payments
The number of periodic payments required by the agreement.
us-gaap_SalesCommissionsAndFees
Commissions (including, $268,658, $310,467 and $453,361, respectively, to related party)
M/V Captain Costas [Member]
Represents M/V Captain Costas.
Line of Credit Facility, Lender [Domain]
Issuance of shares from private placement, net of issuance costs (in shares)
Stock Issued During Period, Shares, New Issues
Vessel operating expenses (including, $175,761, $190,723 and $256,069, respectively, to related party)
Vessel operating expenses
esea_WorkingCapitalSurplus
Working Capital Surplus
Represents the amount of working capital surplus as of the balance sheet date.
us-gaap_RestrictedCashAndInvestments
Restricted Cash and Investments, Total
Lender Name [Axis]
us-gaap_LongTermDebtTerm
Long-term Debt, Term
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities, mezzanine equity and shareholders’ equity
us-gaap_EquitySecuritiesFvNiMeasurementInput
Equity Securities, FV-NI, Measurement Input
Issuance of shares from private placement, net of issuance costs
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Long-term assets of discontinued operations
Accumulated deficit
Insurance Premiums Revenue Recognition, Policy [Policy Text Block]
us-gaap_LimitedLiabilityCompanyLLCPreferredUnitIssued
Limited Liability Company (LLC) Preferred Unit, Issued
us-gaap_InterestExpense
Interest Expense, Total
Derivative Instruments, Gain (Loss) [Table Text Block]
(Increase) / decrease in:
Amortization and write off of deferred charges
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Inventory Disclosure [Text Block]
Measurement Input, Expected Dividend Rate [Member]
Foreign exchange (loss) / gain
Schedule of Inventory, Current [Table Text Block]
Restricted cash, long term
Restricted cash
us-gaap_InvestmentsAndOtherNoncurrentAssets
Balance
Balance
Measurement Input Type [Axis]
Measurement Input Type [Domain]
Depreciation, Depletion, and Amortization [Policy Text Block]
Fair Value Measurement, Policy [Policy Text Block]
Segment Reporting, Policy [Policy Text Block]
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Share-based compensation
us-gaap_ShareBasedCompensation
Title of Individual [Axis]
Relationship to Entity [Domain]
Earnings Per Share, Policy [Policy Text Block]
us-gaap_Revenues
Net revenue, continuing operations
Operating expenses
Comprehensive Income, Policy [Policy Text Block]
Amortization of debt discount
Vessels held for sale, fair value
us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure
Assets Held-for-sale, Long Lived, Fair Value Disclosure
Vessel depreciation
Depreciation of vessels
- Depreciation for the year
esea_LiabilitiesCurrentTotalContinuingOperations
Total current liabilities, continuing operations
Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer related to continuing operations.
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share
us-gaap_AssetsCurrent
Total current assets
Long-term assets:
us-gaap_UnrealizedGainLossOnDerivatives
Unrealized (gain) / loss on derivatives
esea_LiabilitiesNoncurrentTotalContinuingOperations
Total long-term liabilities, continuing operations
Amount of obligation due after one year or beyond the normal operating cycle, if longer related to continuing operations.
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Stockholders' Equity Note Disclosure [Text Block]
esea_AssetsCurrentTotalContinuingOperations
Total current assets, continuing operations
Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer) related to continuing operations.
esea_AdjustmentsToEquityContributionToSpunoffSubsidiary
Spin-off of EuroDry Ltd. to stockholders
The change in equity resulting from a contribution to spun-off subsidiary.
Pension and Other Postretirement Plans, Policy [Policy Text Block]
esea_PaymentsForInvestmentInAffiliate
Investment in subsidiary spun-off
The cash outflow related to investing in an entity that is affiliated with the reporting entity by means of direct or indirect ownership.
Due from spun-off subsidiary
The noncurrent portion of due from spun-off subsidiary as of the balance sheet date.
Current assets of discontinued operations
Fair Value, Measurements, Nonrecurring [Member]
Common stock (par value $0.03, 200,000,000 shares authorized, 11,274,126 and 12,515,645 issued and outstanding)
Vessel held for sale
Assets Held-for-sale, Not Part of Disposal Group, Current, Total
Adjustments to reconcile net loss to net cash (used in)/ provided by operating activities:
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Common stock, shares authorized (in shares)
Common stock, shares issued (in shares)
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Common stock, par value (in dollars per share)
Stockholders' Equity Note, Redeemable Preferred Stock, Issue, Policy [Policy Text Block]
Range [Domain]
Maximum [Member]
Minimum [Member]
Ownership [Domain]
Range [Axis]
Investment, Name [Domain]
Litigation Case [Axis]
Litigation Case [Domain]
Ownership [Axis]
Preferred shares (par value $0.01, 20,000,000 shares authorized, 37,314 and 19,605 issued and outstanding, respectively)
Balance
Balance
Preferred stock, shares issued (in shares)
Cash paid for interest, net of capitalized expenses
Investment, Name [Axis]
us-gaap_PreferredStockRedemptionAmount
Preferred Stock, Redemption Amount
Prepaid expenses
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
Property, Plant and Equipment Disclosure [Text Block]
Property, Plant and Equipment [Table Text Block]
Preferred stock, shares authorized (in shares)
Voyage charter revenue
Revenues arising from services provided to charterers according to the terms and conditions included in charter agreements.
Inventories
Inventory
Voyage expenses
Voyage expenses
Costs relating to the voyages performed by the vessels and may include port, canal, bunker expenses, commissions and other.
Preferred stock, par value (in dollars per share)
Fair Value, Inputs, Level 3 [Member]
Fair Value Hierarchy and NAV [Domain]
Customer [Axis]
Customer [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
- Sale of vessels
us-gaap_AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment1
us-gaap_PreferredStockRedemptionPricePerShare
Preferred Stock, Redemption Price Per Share
Fair Value Hierarchy and NAV [Axis]
us-gaap_PropertyPlantAndEquipmentTransfersAndChanges
- Vessels held for sale
- Vessels held for sale
us-gaap_AccumulatedDepreciationDepletionAndAmortizationReclassificationsFromPropertyPlantAndEquipment1
- Vessel Acquisitions
us-gaap_PropertyPlantAndEquipmentDisposals
- Sale of vessels
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life
us-gaap_IncreaseDecreaseInDeferredRevenue
Deferred revenues
us-gaap_PreferredStockDividendRatePercentage
Preferred Stock, Dividend Rate, Percentage
Cash flows from operating activities:
Revenue Recognition, Policy [Policy Text Block]
Statement [Line Items]
Trade accounts receivable, net
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Additional paid-in capital
Shareholders’ equity
Investment in joint venture, fair value
us-gaap_EquityMethodInvestmentsFairValueDisclosure
us-gaap_InterestAndDebtExpense
Interest and other financing costs
Property, Plant and Equipment, Type [Axis]
us-gaap_NonoperatingIncomeExpense
Other expenses, net, continuing operations
Property, Plant and Equipment, Type [Domain]
Restricted cash, current
Restricted cash
Other investment income
Total gain for the period included in Investment income
Current assets
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Total cash, cash equivalents and restricted cash shown in the statement of cash flows, continuing operations
Cash, cash equivalents and restricted cash at beginning of year
Cash, cash equivalents and restricted cash at end of year, continuing operations
Inventory, Policy [Policy Text Block]
Private Placement [Member]
us-gaap_InvestmentIncomeDividend
Investment Income, Dividend
Other investment income
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net (decrease) / increase in cash, cash equivalents and restricted cash
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash (used in) / provided by financing activities of continuing operations
us-gaap_Liabilities
Total liabilities
Commitments and contingencies
Sale of Stock [Axis]
Sale of Stock [Domain]
us-gaap_OtherOperatingIncome
Other operating income
us-gaap_OperatingIncomeLoss
Operating (loss) / income, continuing operations
invest_DerivativeNotionalAmount
Derivative, Notional Amount
Counterparty Name [Axis]
Counterparty Name [Domain]
Derivatives, Policy [Policy Text Block]
Net cash provided by operating activities of discontinued operations
Net cash used in investing activities of discontinued operations
Net cash provided by financing activities of discontinued operations
us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
Due to Related Parties, Total
us-gaap_EquityMethodInvestmentAggregateCost
Equity Method Investment, Aggregate Cost
us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net cash provided by / (used in) investing activities of continuing operations
us-gaap_DerivativeLiabilities
Total derivative liabilities
Dry-docking expenses
us-gaap_LitigationReserve
Estimated Litigation Liability
us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net cash (used in) / provided by operating activities of continuing operations
Due from spun-off subsidiary
us-gaap_ProceedsFromContributionsFromAffiliates
Equity Method Investments [Policy Text Block]
Investment in joint venture, impairment loss
us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment
Equity Method Investment, Other than Temporary Impairment
Impairment in joint venture
us-gaap_PaymentsOfStockIssuanceCosts
Offering expenses paid
us-gaap_PaymentsOfDistributionsToAffiliates
Due from spun-off subsidiary
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Interest income
us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock
Proceeds from Issuance of Convertible Preferred Stock
Retained Earnings [Member]
Proceeds from issuance of common stock, net of commissions paid
Proceeds from Issuance of Common Stock
Additional Paid-in Capital [Member]
Common Stock [Member]
Equity Components [Axis]
Equity Component [Domain]
us-gaap_LongTermDebt
Long-term Debt, Total
Total
Deferred revenues
us-gaap_PaymentsOfFinancingCosts
Loan arrangement fees paid
us-gaap_LineOfCredit
Long-term Line of Credit, Total
us-gaap_PaymentsOfDebtIssuanceCosts
Payments of Debt Issuance Costs
Deferred charges, long-term portion
Deferred charges, current portion
Finance, Loans and Leases Receivable, Policy [Policy Text Block]
us-gaap_RepaymentsOfLongTermDebt
Repayments of Long-term Debt, Total
Repayment of long-term bank loans
Trade and Other Accounts Receivable, Policy [Policy Text Block]
Vessel profit participating liability
Vessel profit participation liability
Vessel Profit Participation Liability, Noncurrent
Carrying amount as of the balance sheet date of vessel profit participation liability, due after one year or the normal operating cycle, if longer.
us-gaap_RepaymentsOfRelatedPartyDebt
Repayment of related party loan
Cash and Cash Equivalents, Policy [Policy Text Block]
Balance Sheet Location [Axis]
Debt discount, current portion
Balance Sheet Location [Domain]
Debt discount, long-term portion
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
General and Administrative Expense [Member]
Long-term debt, gross
Accounting Policies [Abstract]
Significant Accounting Policies [Text Block]
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
us-gaap_ProceedsFromRelatedPartyDebt
Proceeds from related party loan
Proceeds from long-term bank loans
Proceeds from Issuance of Long-term Debt, Total
Other investment, impairment loss
Impairment of other investment
Other Investment, Other than Temporary Impairment
Impairment of other investment
This item represents an impairment that has been recognized on other investments.
Impairment loss and loss on write-down of vessel held for sale
The portion of asset impairment associated with a related party.
Issuance of shares for vessel acquisition, net of issuance costs
The value of stock issued to acquire a vessel during the period.
Restricted Cash [Member]
Related to restricted cash.
esea_CommitmentsAndVesselSalesDrawdownCapacity
Commitments and Vessel Sales, Draw-down Capacity
The amount of proceeds the company may draw upon related to certain commitments and vessel sales.
Income Statement Location [Axis]
Euromar LLC [Member]
Represents Euromar LLC ("Euromar"), a wholly-owned subsidiary of the company that previously was partially owned by the company.
Income Statement Location [Domain]
Loan Agreement to Finance Acquisition of M/V EM Astoria [Member]
Represents the loan agreement entered into to finance the acquisition of M/V EM Astoria.
Charterer CMA [Member]
Related to the charterer CMA.
Charterer GSS [Member]
Related to the charterer GSS.
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member]
Charterer MSC [Member]
Related to the charterer MSC.
Vessels [Policy Text Block]
Policy disclosure of vessels owned by the company.
esea_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaidWithSixteenthInstallment
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid with Sixteenth Installment
Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt, if repaid in sixteen quarterly installments.
Assets Held For Sale [Policy Text Block]
Disclosure of the accounting policy for assets held for sale by the company.
esea_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaidWithTwentiethInstallment
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid with Twentieth Installment
Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt, if repaid in twenty quarterly installments.
esea_ShipOwningCrewContractTerm
Ship Owning Crew Contract Term
Represents the contract term crews contracted with ship-owning companies.
esea_DebtInstrumentNumberOfQuarterlyInstallmentPayments
Debt Instrument, Number of Quarterly Installment Payments
Number of quarterly installment payments agreed to under the debt instrument.
Victualing [Member]
Related to inventories of victualing.
esea_ProfitSharingAgreementPercentage
Profit Sharing Agreement, Percentage
Percentage of the fair market value of the vessel, over the outstanding loan, that will be shared with the bank that financed the vessel, when the vessel is sold or when the loan matures.
Bunkers [Member]
Related to the inventory of bunkers.
us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners
Drydocking and Special Survey Expenses [Policy Text Block]
Represents drydocking and special survey expenses policy.
Lubricant [Member]
Related to inventories of lubricants.
esea_SalesCommissionPercentage
Sales Commission Percentage
Represents sales commissions percentage on sale of property plant and equipment assets.
Gregos Shipping Ltd [Member]
Represents Gregos Shipping Ltd.
us-gaap_ImpairmentEffectOnEarningsPerSharePretax
Impairment Effect on Earnings Per Share, Pretax
Weighted average number of shares outstanding during the year, basic and diluted (in shares)
Weighted average common shares – Outstanding , continuing operations (in shares)
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Earnings per share attributable to common shareholders, basic and diluted (in dollars per share)
Equity Method Investments [Member]
us-gaap_EarningsPerShareBasicAndDiluted
Basic and diluted loss per share (in dollars per share)
Scenario, Forecast [Member]
Due to related company
Loss per share attributable to common shareholders - basic and diluted, continuing operations (in dollars per share)
Basic and diluted loss per share, continuing operations (in dollars per share)
Asset Class [Axis]
Asset Class [Domain]
Statement [Table]
Scenario [Axis]
us-gaap_NotesPayableRelatedPartiesClassifiedCurrent
Notes Payable, Related Parties, Current
Statement of Financial Position [Abstract]
Scenario, Unspecified [Domain]
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense
Total other expenses, net
us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Vessel operating expenses (including, $57,316, $102,131 and $115,026, respectively, to related party)
us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
Vessel depreciation
us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense
Other general and administrative expenses (including $520,626, $693,524 and $731,456, respectively, to related party)
Cash released from other investment
Return of funds, September 22, 2017
The amount of other investment funds that released during the period.
Operating (loss) / income
us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Voyage revenue
Statement of Cash Flows [Abstract]
2019
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
Disposal Groups, Including Discontinued Operations [Table Text Block]
2021
2022
Disposal Group Name [Axis]
2023
Disposal Group Name [Domain]
Thereafter
Schedule of Accrued Liabilities [Table Text Block]
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
2020
us-gaap_DerivativeAverageFixedInterestRate
Derivative, Average Fixed Interest Rate
esea_SpinoffTransactionNumberOfCompanysCommonSharesExchangedForEachCommonShareOfEurodry
Spinoff Transaction, Number of Company’s Common Shares Exchanged for Each Common Share of Eurodry
Represents number of company’s common shares exchanged for each common share of Eurodry in a spinoff transaction.
Time charter revenue
Revenue arising from time charters (hiring out the use of the Company's vessels).
esea_SpinoffTransactionNumberOfEurodryCommonShareReceivedByCompanysShareholdersForEveryFiveCommonShares
Spinoff Transaction, Number of Eurodry Common Share Received by Company’s Shareholders for Every Five Common Shares
Represents number of Eurodry common share received by company’s shareholders for every five common shares in a spinoff transaction.
Equity and Cost Method Investments, Policy [Policy Text Block]
esea_PaymentsForAcquisitionCostsPropertyPlantAndEquipment
Payments for Acquisition Costs, Property Plant, and Equipment
The amount of acquisition related costs incurred in the purchase of certain property, plant, and equipment assets.
esea_ServiceManagementCostsDailyFeeRelatedParty
Service Management Costs Daily Fee Related Party
The aggregate costs related to vessel management fees.
M/V Eleni P [Member]
Related to the vessel Eleni P.
Eurobulk Ltd. [Member]
Represents the Eurobulk Ltd.
- Vessels held for sale
Amount of reclassification, impairment, donation, or other change net of accumulated depreciation to long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.
Vessel Management Fees [Member]
Represents the vessel management fees.
esea_RelatedPartyTransactionCommissionPercentage
Related Party Transaction Commission, Percentage
The percentage of the related party transaction commission.
esea_VoyageCharterRevenuesPercentageOfTotalRevenues
Voyage Charter Revenues, Percentage of Total Revenues
Represents the percentage of voyage charter revenues in total revenues.
Eurochart [Member]
Represents Eurochart.
Vessel Sales [Member]
Represents the vessel sales.
Other general and administrative expense - related party
Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation for related party.
esea_RelatedPartyTransactionCommissionOnPremiumMaximumPercentage
Related Party Transaction Commission on Premium, Maximum, Percentage
Represents the the maximum percentage of commission on premium to be paid to a related party.
Loss on termination and impairment of shipbuilding contracts
Amount of gain (loss) on termination and impairment of shipping contract attributable to disposal group, including, but not limited to, discontinued operation.
Charter Revenues [Member]
Represents the charter revenues.
esea_RelatedPartyAgreementTerm
Related Party Agreement Term
Represents the term of a related party agreement.
esea_RelatedPartyTransactionAmountsOfTransactionPerCrewMemberPerMonth
Related Party Transaction Amounts of Transaction Per Crew Member Per Month
Represents the related party transaction amounts of transaction per crew member per month.
Acquisition of "Tasos" [Member]
Represents information related to acquire "Tasos".
esea_RelatedPartyTransactionDiscountPercentage
Related Party Transaction Discount Percentage
Related party transaction discount percentage.
Sentinel [Member]
Represents the sentinel.
Shipbuilding Contracts [Member]
Represents information related to shipbuilding contracts.
Fair Value Measurements, Nonrecurring [Table Text Block]
esea_LimitedDividendsPercentageLoansToProfits
Limited Dividends Percentage Loans to Profits
Represents the limited dividends percentage loans to profits.
Long Term Liabilities of Discounted Operations [Member]
Represents long term liabilities of discounted operations.
us-gaap_LiabilitiesNoncurrent
Total long-term liabilities
Accrued general and administrative expenses
Represents accrued general and administrative expenses.
Technomar [Member]
Represents Technomar.
Eurodry [Member]
Represents information related to Eurodry.
Long-term liabilities of discontinued operations
esea_RelatedPartyTransactionDailyFeePerVesselPerDayInLayUp
Related Party Transaction Daily Fee Per Vessel Per Day in Lay Up
Related Party Transaction Daily Fee Per Vessel Per Day In Lay Up
Reduction of Series B Preferred Shares Balance [Member]
Represents information related to reduction of series B preferred shares balance.
Cash flows from financing activities:
Loan Drawn [Member]
Represents information related to loan drawn.
esea_RelatedPartyTransactionDailyFeePerVesselPerDayInOperation
Related Party Transaction Daily Fee Per Vessel Per Day in Operation
Related Party Transaction Daily Fee Per Vessel Per Day In Operation
Eurodry Subsidiaries [Member]
Represents information related to Eurodry subsidiaries.
Fixed Management Fees [Member]
Related to fixed management fees.
Construction Cost and General Administrative Expenses [Member]
Represents information related to construction cost and general administrative expenses.
Reduction Due To Related Company's Liability [Member]
Represents the reduction due to related company's liability.
Equity Contribution for the Vessels Spun-off [Member]
Represents equity contribution for the vessels spun-off.
esea_PercentageOfPreferredStockOutstanding
Percentage of Preferred Stock Outstanding
Represents the percentage of preferred stock outstanding.
Allocated Equity from Accumulated Deficit [Member]
Represents the allocated equity to related party form accumulated deficit.
Schedule of Future Annual Loan Repayments [Table Text Block]
Represents the tabular disclosure of the schedule of future annual loan repayments.
M/V RT Dagr [Member]
Related to the vessel RT Dagr.
Allocated Equity to Equity [Member]
Represents allocated stockholder's equity from company's shareholders' equity.
Noumea Shipping Ltd. Borrower [Member]
Represents Noumea Shipping Ltd. Borrower.
Derivatives, Noncurrent
Euromar LLC, The Joint Venture [Member]
Information pertaining to Euromar LLC, the Joint Venture.
esea_VesselHeldForSale
Vessel Held for Sale
Represents the amount of vessel held for sale.
esea_LimitedLiabilityCompanyLlcAmountOfEscrowedCashExchangedForEachPreferredUnit
Limited Liability Company, LLC, Amount of Escrowed Cash Exchanged for Each Preferred Unit
Escrowed cash exchanged for each preferred unit.
Supplemental Agreement with Noumea Shipping [Member]
Related to the supplemental agreement with Noumea Shipping.
Eurobank Ergasias S.A. [Member]
Related to the Eurobank Ergasias S.A. loan entered into by the company.
esea_DifferenceBetweenFairValueAndCarryingValue
Difference Between Fair Value and Carrying Value
Represents the difference between fair value and carrying value.
Series B Preferred Stock [Member]
esea_ShareBasedCompensationArrangementByShareBasedPaymentAwardedTerm
Share Based Compensation Arrangement By Share Based Payment Awarded Term
Represents the term by which awards will be made.
esea_NumberOfKeyPeopleIssuedAwards
Number of Key People Issued Awards
The number of key people to whom certain awards have been issued.
Athens Shipping Ltd., Oinousses Navigation Ltd., Corfu Navigation ltd., Bridge Shipping Ltd.[Member]
Represents information pertaining to Athens Shipping Ltd., Oinousses Navigation Ltd., Corfu Navigation ltd., Bridge Shipping Ltd.
Alterwall Business Inc., Allendale Investments S.A., Manolis Shipping Ltd., Joanna Maritime Ltd., Jonathan John Shipping Ltd [Member]
Represents information pertaining to Alterwall Business Inc., Allendale Investments S.A., Manolis Shipping Ltd., Joanna Maritime Ltd., Jonathan John Shipping Ltd.
The 2014 Plan [Member]
Related to the 2014 plan.
us-gaap_StockholdersEquity
Total shareholders’ equity
Balance
Balance
The 19 Key Persons [Member]
Related to the 19 key persons given awards.
Preferred shares distributed to EuroDry
Preferred Stock, Value, Distributed
Shares distributed to EuroDry
Represents amount of preferred stock distributed.
Officers and Directors [Member]
Related to certain officers and directors.
esea_PreferredStockDistributed
Preferred Stock Distributed
Shares distributed to EuroDry (in shares)
Represents number of preferred stock distributed.
Eurobulk Employees [Member]
Related to employees of Eurobulk.
Alterwall Business Inc., Allendale Investments S.A., Manolis Shipping Ltd., Joanna Maritime Ltd., Jonathan John shipping Ltd., Athens Shipping Ltd., Oinousses Navigation Ltd., Corfu Navigation Ltd., Bridge Shipping Ltd [Member]
Represents information pertaining to Alterwall Business Inc., Allendale Investments S.A., Manolis Shipping Ltd., Joanna Maritime Ltd., Jonathan John shipping Ltd., Athens Shipping Ltd., Oinousses Navigation Ltd., Corfu Navigation Ltd., Bridge Shipping Ltd.
esea_DebtInstrumentCovenantSecurityCoverRatio
Debt Instrument, Covenant, Security Cover Ratio
The security cover ratio covenant under the debt agreement.
Class of Stock [Axis]
Class of Stock [Domain]
Long-term debt, long-term portion net of deferred charges and debt discount
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Port Charges and Canal Dues [Member]
Related to port charges and canal dues.
Schedule of Stockholders Equity [Table Text Block]
Crew Wages and Related Costs [Member]
Related to crew wages and related costs.
Vessel Voyage and Operating Expenses [Text Block]
This element repsresents the disclosure for Voyage expenses (Port charges, bunkers, commissions charged by third parties, commissions charged by related parties) and Vessel Operating expenses (crew wages and related costs, insurances, repairs, spares and maintenance, consumable stores, tonnage taxes, miscellaneous).
esea_LineOfCreditFacilityUnderwritingFeePercentage
Line of Credit Facility, Underwriting Fee Percentage
The underwriting fee, expressed as a percentage of the line of credit facility.
Schedule of Voyage Vessel Operating Expenses and Commissions [Table Text Block]
Tabular disclosure of voyage, vessel operating expenses and commissions.
Lubricants [Member]
Related to lubricants.
Spares and Consumable Stores [Member]
Related to spares and consumable stores.
Interest Rate Swap [Member]
Insurance [Member]
Related to insurance.
Repairs and Maintenance [Member]
Related to repairs and maintenance.
us-gaap_DerivativeFixedInterestRate
Derivative, Fixed Interest Rate
Professional and Legal Fees [Member]
Related to professional and legal fees.
Other Vessel Operating Expenses [Member]
Related to other expenses.
Other receivables