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Note 15 - Other Operating Loss (Details Textual) - USD ($) $ in Thousands | Oct. 20, 2020 | Mar. 09, 2020 | Jan. 21, 2020 | Jan. 15, 2020
--- | --- | --- | --- | ---
MT Eco Fleet [Member] |  |  |  |
Agreement Termination Fee |  |  |  | $ 500
M/T Stenaweco Elegance [Member] |  |  |  |
Agreement Termination Fee |  |  | $ 1,850 |
M/T Eco Palm Desert [Member] |  |  |  |
Agreement Termination Fee |  | $ 1,700 |  |
M/T Eco California [Member] |  |  |  |
Agreement Termination Fee | $ 750 |  |  |

X
- Definition Represents the amount of fees for the termination of time charter agreements. + References No definition available. + Details
Name: | tops_AgreementTerminationFee
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MTEcoFleetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MTStenawecoEleganceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MTEcoPalmDesertMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MTEcoCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |