Represents the amount of the buy back option associated with a sale leaseback transaction.

No definition available.

Name:	tops_SaleLeasebackTransactionBuyBackAmount
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents sale leaseback transaction buyback period minimum term.

+ References

No definition available.

+ Details

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

- Definition

Percentage rate of interest for the sale leaseback transaction.

+ References

No definition available.

+ Details

Name:	tops_SaleLeasebackTransactionInterestRate
Namespace Prefix:	tops_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of the sale leaseback arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

+ Details

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

- Definition

Number of stock bought back by the entity at the exercise price or redemption price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

+ Details

Name:	us-gaap_StockRedeemedOrCalledDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_SaleLeasebackTransactionDescriptionAxis=tops_MtStenawecoExcellenceSaleLeasebackMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 14 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)	Aug. 09, 2019	Jul. 25, 2019	Jul. 17, 2019
Series E Preferred Stock [Member]
Stock Redeemed or Called During Period, Shares	1,739	3,043
MT Stenaweco Excellence Sale Leaseback [Member]
Sale Leaseback Transaction, Lease Term			10 years
Sale Leaseback Transaction, Buyback Period, Minimum Term			10 years
Sale Leaseback Transaction, Buy Back, Amount			$ 1
Proceeds from Sale of Property, Plant, and Equipment, Total			$ 25,600,000
MT Stenaweco Excellence Sale Leaseback [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Sale Leaseback Transaction, Interest Rate			3.90%