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Transactions with Related Parties, Central Mare (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Transactions with Related Parties [Abstract] |  |  |
Due from related parties | $ 600 | $ 0 |
Related Party [Member] | Central Mare [Member] |  |  |
Transactions with Related Parties [Abstract] |  |  |
Due from related parties | 1,037 | 351 |
EUA's collected from charterers | 1,037 | 351 |
Fees and expenses | 360 | 360 | $ 360
Related Party [Member] | Central Mare [Member] | General and Administrative Expenses [Member] |  |  |
Transactions with Related Parties [Abstract] |  |  |
Executive officers and other personnel expenses | $ 360 | $ 360 | $ 360

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- Definition European Union Allowances (EUA's) collected on the Company's behalf by a related party from the Company's charterers. + References No definition available. + Details
Name: | tops_EuropeanUnionAllowancesCollectedFromCharterers
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Definition Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_OtherReceivablesNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold. + References No definition available. + Details
Name: | us-gaap_SalariesWagesAndOfficersCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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