Transactions With Related Parties, Central Shipping Inc (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Minimum [Member]
Transactions with Related Parties [Abstract]
CPI	2.00%
Maximum [Member]
Transactions with Related Parties [Abstract]
CPI	5.00%
Related Party [Member] \| CSI [Member]
Transactions with Related Parties [Abstract]
Notice period to terminate agreement	18 months
Number of months of fees payable used to determine termination fee	12 months
Daily management fee per vessel	$ 651
Commencement period of daily management prior to scheduled delivery of vessel	3 months
Daily fee for superintendent visits	$ 592
Chartering commission percentage	1.25%
Commission percentage on all gross vessel sale proceeds or the purchase price paid for vessels	1.00%
Financing fee percentage	0.20%
Supervision services fee percentage	7.00%
Initial term of agreement	5 years
Increase in fees payable if CPI is less than 2%	2.00%
Increase in fees payable if CPI is more than 5%	5.00%
Percentage of newbuilding vessels monitoring fee paid on purchase of newbuilding construction contract	25.00%
Percentage of newbuilding vessels monitoring fee paid on steel cutting of newbuilding vessel	25.00%
Percentage of newbuilding vessels monitoring fee paid on launching of newbuilding vessel	25.00%
Percentage of newbuilding vessels monitoring fee paid on delivery of newbuilding vessel	25.00%
Due from related parties	$ 480,000	$ 352,000
Transactions with Related Parties [Abstract]
Fees and expenses	4,012,000	3,443,000	$ 4,855,000
Related Party [Member] \| CSI [Member] \| Capitalized in Vessels, Net [Member]
Transactions with Related Parties [Abstract]
Management fees	0	0	61,000
Supervision services fees	0	0	14,000
Superintendent fees	0	0	129,000
Newbuilding vessels monitoring fee	0	0	455,000
Related Party [Member] \| CSI [Member] \| Current and Non-Current Portions of Long-term Debt [Member]
Transactions with Related Parties [Abstract]
Financing fees	586,000	164,000	312,000
Related Party [Member] \| CSI [Member] \| Management Fees - Related Parties [Member]
Transactions with Related Parties [Abstract]
Management fees	1,906,000	1,840,000	1,749,000
Accounting and reporting cost	360,000	360,000	360,000
Related Party [Member] \| CSI [Member] \| Vessel Operating Expenses [Member]
Transactions with Related Parties [Abstract]
Superintendent fees	46,000	42,000	37,000
Related Party [Member] \| CSI [Member] \| Gain from Vessel Sales [Member]
Transactions with Related Parties [Abstract]
Commission for sale and purchase of vessels	0	0	730,000
Related Party [Member] \| CSI [Member] \| Voyage Expenses [Member]
Transactions with Related Parties [Abstract]
Commission on charter hire revenue	1,040,000	1,037,000	1,008,000
Related Party [Member] \| CSI [Member] \| Dry-Docking Costs [Member]
Transactions with Related Parties [Abstract]
Superintendent fees	$ 74,000	$ 0	$ 0

Amount of accounting and reporting costs with related party recognized.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Chartering commission percentage paid to related party on all freight, hire and demurrage revenues.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of commission with related party for the sale and purchase of vessels recognized.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of commission with related party on charter hire agreements recognized.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage commission paid to related party on all gross vessel sale proceeds or the purchase price paid for vessels.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
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Balance Type:	na
Period Type:	duration

- Definition

Inflation measured by consumer price index (CPI) is defined as the change in the prices of a basket of goods and services that are typically purchased by specific groups of households.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Daily fee for superintendent visits paid to related party.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Daily management fee paid to related party for the provision of technical, commercial, operation, insurance, bunkering and crew management.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Period of time daily management fee commences before the vessel is scheduled to be delivered by the shipyard, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Financing fee percentage paid to a related party on derivative agreements and loan financing or refinancing.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of financing fees with related party capitalized.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of management fees with related party recognized for all operational, technical and commercial functions relating to the chartering and operation of Company vessels.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of management fees with related party capitalized for all newbuilding vessels while the vessels are under construction.

+ References

No definition available.

+ Details

Name:	tops_ManagementFeesCapitalized
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of newbuilding vessels monitoring fee capitalized in related party transaction.

+ References

No definition available.

+ Details

Name:	tops_NewbuildingVesselsMonitoringFeeCapitalized
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of commission to related party as a newbuilding vessels monitoring fee paid on delivery of newbuilding vessel.

+ References

No definition available.

+ Details

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

- Definition

Percentage of commission to related party as a newbuilding vessels monitoring fee paid on launching of the newbuilding vessel.

+ References

No definition available.

+ Details

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

- Definition

Percentage of commission to related party as a newbuilding vessels monitoring fee paid on the purchase of newbuilding construction contract.

+ References

No definition available.

+ Details

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

- Definition

Percentage of commission to related party as a newbuilding vessels monitoring fee paid on steel cutting of newbuilding vessel.

+ References

No definition available.

+ Details

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

- Definition

Advance notice period required to terminate agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage increase (decrease) in fees payable, if the Consumer Price Inflation (CPI) is less than 2%.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage increase (decrease) in fees payable, if the Consumer Price Inflation (CPI) is more than 5%.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Term of agreement with related party, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of superintendent fees with related party recognized.

+ References

No definition available.

+ Details

Name:	tops_SuperintendentFees
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of superintendent fees with related party capitalized for superintendent visits to newbuilding vessels while the vessels are under construction.

+ References

No definition available.

+ Details

Name:	tops_SuperintendentFeesCapitalized
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of supervision services paid to a related party.

+ References

No definition available.

+ Details

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Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of supervision services fees with related party capitalized for all newbuilding vessels while the vessels are under construction.

+ References

No definition available.

+ Details

Name:	tops_SupervisionServicesFeesCapitalized
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of months of fees payable used to determine termination fee, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

+ Details

Name:	tops_TerminationFeePeriodOfFeesPayable
Namespace Prefix:	tops_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Amount due from parties in nontrade transactions, classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 49
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-49

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(a)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
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-Paragraph 1
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-Publisher FASB
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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
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-Publisher FASB
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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