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Minimum percentage of the market value of vessels as a percentage of the amount outstanding under the debt instrument, as defined by the debt covenants and restrictions.

No definition available.

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The number of periodic payment installments in which the debt is to be repaid.

No definition available.

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Period of time between after draw down of debt instrument when repayment in quarterly installments begin, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Excess amount of fair market value over the carrying value of the vessels.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Excess amount of the purchase price over the underlying net book value of vessels attributed attached time charter.

No definition available.

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The gross daily hire rate for a vessel.

No definition available.

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Term of additional option to extend lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

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Number of companies owning vessels.

No definition available.

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Number of joint venture agreements entered by company subsidiary MR Seller, during the period.

No definition available.

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The number of scrubber-fitted vessels owned.

No definition available.

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Percentage of aggregate outstanding liability guaranteed by the Company.

No definition available.

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Deadweight tonnage (DWT) is a measure of vessels capacity in weight, and does not include the weight of the vessel.

No definition available.

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

No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Amount of the required periodic payments applied to principal.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentTerm
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- References

No definition available.

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

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-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
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Name:	srt_CounterpartyNameAxis=tops_MRSellerMember
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Data Type:	na
Balance Type:
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Namespace Prefix:
Data Type:	na
Balance Type:
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=tops_CreditFacilityWithAlphaBankMember
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Data Type:	na
Balance Type:
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Name:	us-gaap_VariableRateAxis=tops_TermSecuredOvernightFinancingRateMember
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Data Type:	na
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Name:	srt_CounterpartyNameAxis=tops_JustCLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
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