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Transactions with Related Parties, Personal Guarantee for HSBC loan (Details) - Related Party [Member] - HSBC Loan [Member] - USD ($) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Jan. 15, 2024 | Jun. 30, 2024
Related Party Expenses [Abstract] |  |
Arrangement fee | 1.00% |
Arrangement fee expense |  | $ 280

X
- Definition Amount of the fee for arranging the financing. + References No definition available. + Details
Name: | tops_DebtInstrumentArrangementFee
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The fee, expressed as a percentage of the loan, for arranging the financing. + References No definition available. + Details
Name: | tops_DebtInstrumentArrangementFeePercentage
Namespace Prefix: | tops_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=tops_HsbcLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |