XML 147 R78.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 14 - Financial Instruments - Valuation of Financial Instruments (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Class B Warrants [Member] |  |
Non-current liability |  | $ 609
Fair Value, Inputs, Level 1 [Member] | Class B Warrants [Member] |  |
Non-current liability |  | 0
Fair Value, Inputs, Level 2 [Member] | Class B Warrants [Member] |  |
Non-current liability |  | 0
Fair Value, Inputs, Level 3 [Member] | Class B Warrants [Member] |  |
Non-current liability |  | 609
Interest Rate Swap [Member] |  |
Current asset (Interest Rate Swaps) |  | 82
Current liability |  | 113
Non-current liability |  | 985
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Current asset (Interest Rate Swaps) |  | 0
Current liability | $ 0 |
Non-current liability |  | 0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Current asset (Interest Rate Swaps) |  | 82
Current liability |  | 113
Non-current liability |  | 985
Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Current asset (Interest Rate Swaps) |  | 0
Current liability | 66 |
Non-current liability |  | 0
The 2014 Warrants [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Current liability |  | 0
The 2014 Warrants [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Current liability |  | $ 0
Class B Warrants [Member] |  |
Current liability | 66 |
Class B Warrants [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Current liability | $ 0 |

X
- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as current asset. + References No definition available. + Details
Name: | tops_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValueCurrent
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability, current. + References No definition available. + Details
Name: | tops_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValueCurrent
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability, noncurrent. + References No definition available. + Details
Name: | tops_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValueNoncurrent
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tops_ClassBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=tops_The2014WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=tops_ClassBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |