Percentage fee that accompanies borrowing money under the debt instrument.

No definition available.

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Consideration to be paid if the option to buy back the vessel is exercised by the Company.

+ References

No definition available.

+ Details

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

- Definition

The annual bareboat hire rate under the sale leaseback transaction.

+ References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Number of shares of temporary equity bought back by the entity at the redemption price.

+ References

No definition available.

+ Details

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

- Definition

Impact of the value of shares of temporary equity bought back by the entity at the redemption price.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-14

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_RepaymentsOfSecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Lease term for sale and leaseback transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479741/842-40-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesFPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tops_CmbflSaleAndLeasebackAgreementsMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_DebtInstrumentAxis=tops_HsbcBridgeFacilityMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_VariableRateAxis=tops_TermSecuredOvernightFinancingRateSOFRRateMember
Namespace Prefix:
Data Type:	na
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Subsequent Events (Details) - USD ($) $ in Thousands						12 Months Ended
Subsequent Events (Details) - USD ($) $ in Thousands	Feb. 06, 2024	Jan. 25, 2024	Jan. 23, 2024	Jan. 18, 2024	Jan. 16, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Subsequent Events [Abstract]
Draw downs on loan						$ 82,000	$ 156,201	$ 74,800
Repayments of loan						$ 76,384	$ 68,893	$ 28,313
Shares redeemed (in shares)						2,191,121	1,349,252
M/T Julius Caesar [Member]
Subsequent Events [Abstract]
Purchase price of vessel							$ 92,064
M/T Legio X Equestris [Member]
Subsequent Events [Abstract]
Purchase price of vessel							$ 92,133
Subsequent Event [Member] \| Series F Preferred Shares [Member]
Subsequent Events [Abstract]
Shares redeemed (in shares)	3,659,627
Shares redeemed	$ 43,916
Subsequent Event [Member] \| New CMBFL SLBs [Member]
Subsequent Events [Abstract]
Term of time charter				8 years
Bareboat hire rate per annum				$ 7,300
Purchase obligation				125,000
Subsequent Event [Member] \| HSBC Bridge [Member]
Subsequent Events [Abstract]
Draw downs on loan			$ 8,000		$ 20,000
Maximum borrowing capacity					$ 24,000
Borrowing percentage fee					1.00%
Subsequent Event [Member] \| HSBC Bridge [Member] \| Term SOFR [Member]
Subsequent Events [Abstract]
Variable interest rate					3.00%
Subsequent Event [Member] \| M/T Julius Caesar [Member]
Subsequent Events [Abstract]
Purchase price of vessel					$ 48,604
Subsequent Event [Member] \| M/T Julius Caesar [Member] \| New CMBFL SLBs [Member]
Subsequent Events [Abstract]
Consideration to be paid if option to buy back vessel is exercised				37,500
Purchase obligation				62,500
Subsequent Event [Member] \| M/T Julius Caesar [Member] \| HSBC Bridge [Member]
Subsequent Events [Abstract]
Repayments of loan				20,000
Subsequent Event [Member] \| M/T Legio X Equestris [Member]
Subsequent Events [Abstract]
Purchase price of vessel			$ 49,272
Subsequent Event [Member] \| M/T Legio X Equestris [Member] \| New CMBFL SLBs [Member]
Subsequent Events [Abstract]
Consideration to be paid if option to buy back vessel is exercised		$ 37,500
Purchase obligation				$ 62,500
Subsequent Event [Member] \| M/T Legio X Equestris [Member] \| HSBC Bridge [Member]
Subsequent Events [Abstract]
Repayments of loan		$ 8,000