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Transactions with Related Parties, Central Shipping Inc (Details) - Related Party [Member] - CSI [Member] - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Transactions with Related Parties [Abstract] |  |
Fees and expenses | $ 2,030 | $ 1,613
Current and Non-Current Portions of Long-term Debt [Member] |  |
Transactions with Related Parties [Abstract] |  |
Financing fees | 306 | 0
Management Fees - Related Parties [Member] |  |
Transactions with Related Parties [Abstract] |  |
Management fees | 948 | 912
Accounting and reporting cost | 180 | 180
Vessel Operating Expenses [Member] |  |
Transactions with Related Parties [Abstract] |  |
Superintendent fees | 14 | 7
Dry-Docking Costs [Member] |  |
Transactions with Related Parties [Abstract] |  |
Superintendent fees | 74 | 0
Voyage Expenses [Member] |  |
Transactions with Related Parties [Abstract] |  |
Commission on charter hire agreements | $ 508 | $ 514

X
- Definition Amount of accounting and reporting costs with related party recognized. + References No definition available. + Details
Name: | tops_AccountingAndReportingCosts
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of commission with related party on charter hire agreements recognized. + References No definition available. + Details
Name: | tops_CommissionOnCharterHireAgreements
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of financing fees with related party capitalized. + References No definition available. + Details
Name: | tops_FinancingFeesCapitalized
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of management fees with related party recognized for all operational, technical and commercial functions relating to the chartering and operation of Company vessels. + References No definition available. + Details
Name: | tops_ManagementFees
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | tops_RelatedPartyExpensesAbstract
Namespace Prefix: | tops_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of superintendent fees with related party recognized. + References No definition available. + Details
Name: | tops_SuperintendentFees
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-3 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=tops_CentralShippingIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=tops_CurrentPortionAndNonCurrentPortionOfLongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=tops_RelatedPartyManagementFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=tops_VesselOperatingExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=tops_DryDockingCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=tops_VoyageExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |