Two-character EDGAR code representing the state or country of incorporation.

No definition available.

Name:	dei_EntityIncorporationStateCountryCode
Namespace Prefix:	dei_
Data Type:	dei:edgarStateCountryItemType
Balance Type:	na
Period Type:	duration

- Definition

The activity of an entity.

+ References

No definition available.

+ Details

Name:	tops_EntityActivity
Namespace Prefix:	tops_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Month and year when an entity was incorporated.

+ References

No definition available.

+ Details

Name:	tops_EntityDateOfIncorporation
Namespace Prefix:	tops_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	tops_OwnershipPercentageInSubsidiaryByParent
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The month and year in which the vessel was built.

+ References

No definition available.

+ Details

Name:	tops_VesselBuildDate
Namespace Prefix:	tops_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

The month and year the vessel was delivered to the entity.

+ References

No definition available.

+ Details

Name:	tops_VesselDeliveryDate
Namespace Prefix:	tops_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Name of the vessel owned by the entity.

+ References

No definition available.

+ Details

Name:	tops_VesselName
Namespace Prefix:	tops_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The end date of a vessel operating lease.

+ References

No definition available.

+ Details

Name:	tops_VesselOperatingLeaseEndDate
Namespace Prefix:	tops_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

+ Details

Name:	us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=tops_California19IncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=tops_California20IncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_TopTankerManagementIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_SouthCaliforniaIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_MalibuWarriorIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_PchDreamingIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_RomanEmpireIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_AtheneanEmpireIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_JuliusCaesarIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_LegioXIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=tops_EcoOceanoCaIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Basis of Presentation and General Information (Details)		12 Months Ended
Basis of Presentation and General Information (Details)	Sep. 29, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 10, 2020	Apr. 24, 2020
Basis of Presentation and General Information [Abstract]
Country of incorporation		1T
Reverse stock split ratio	0.083
California 19 Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2019-05
Country of incorporation		1T
Vessel		Eco Yosemite Park
Built date		2020-03
Ownership percentage		50.00%	50.00%	50.00%	50.00%	50.00%
California 20 Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2019-05
Country of incorporation		1T
Vessel		Eco Joshua Park
Built date		2020-03
Ownership percentage		50.00%	50.00%	50.00%	50.00%	50.00%
Top Tanker Management Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2004-05
Country of incorporation		1T
Activity		Management company
Ownership interest in subsidiaries		100.00%
South California Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2018-01
Country of incorporation		1T
Vessel		Eco Bel Air
End date of operating lease		Dec. 10, 2025
Ownership interest in subsidiaries		100.00%
Malibu Warrior Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2018-01
Country of incorporation		1T
Vessel		Eco Beverly Hills
End date of operating lease		Dec. 01, 2025
Ownership interest in subsidiaries		100.00%
PCH Dreaming Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2018-01
Country of incorporation		1T
Vessel		Eco Marina Del Rey
Delivery date		2019-03
Ownership interest in subsidiaries		100.00%
Roman Empire Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2020-02
Country of incorporation		1T
Vessel		Eco West Coast
Delivery date		2021-03
Ownership interest in subsidiaries		100.00%
Athenean Empire Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2020-02
Country of incorporation		1T
Vessel		Eco Malibu
Delivery date		2021-05
Ownership interest in subsidiaries		100.00%
Julius Caesar Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2020-05
Country of incorporation		1T
Vessel		Julius Caesar
Delivery date		2022-01
Ownership interest in subsidiaries		100.00%
Legio X Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2020-12
Country of incorporation		1T
Vessel		Legio X Equestris
Delivery date		2022-03
Ownership interest in subsidiaries		100.00%
Eco Oceano CA Inc. [Member]
Basis of Presentation and General Information [Abstract]
Date of incorporation		2020-12
Country of incorporation		1T
Vessel		Eco Oceano CA
Delivery date		2022-03
Ownership interest in subsidiaries		100.00%