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Voyage and Vessel Operating Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Voyage Expenses [Abstract] |  |  |
Bunkers | $ 194 | $ 380 | $ 20
Commissions (including $1,037, $1,040 and $1,015 respectively, to related party) | 2,296 | 1,628 | 1,589
Other | 11 | 0 | 0
Total | 2,501 | 2,008 | 1,609
Commissions, related party | 1,015 | 1,040 | 1,037
Vessel Operating Expenses [Abstract] |  |  |
Crew wages and related costs | 11,465 | 11,965 | 11,898
Insurance | 1,541 | 1,578 | 1,670
Repairs and maintenance (including $42, $46 and $11 respectively, to related party) | 1,868 | 1,566 | 1,138
Spares and consumable stores | 3,196 | 3,685 | 3,538
Registration and taxes (Note 13) | 325 | 292 | 283
Total | 18,395 | 19,086 | 18,527
Repairs and maintenance to related party | $ 11 | $ 46 | $ 42

X
- Definition Amount of bunkers (or energy) consumption related to fuel stored on a ship and used as fuel for machinery operation. + References No definition available. + Details
Name: | tops_BunkersExpenses
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Commissions paid for time-charter and voyage-charter arrangements. + References No definition available. + Details
Name: | tops_Commissions
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Commissions paid to related party for time-charter and voyage-charter arrangements. + References No definition available. + Details
Name: | tops_CommissionsRelatedParty
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses incurred in connection with vessel voyages classified as other. + References No definition available. + Details
Name: | tops_OtherVoyageExpenses
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses related to registration and taxes for vessels. + References No definition available. + Details
Name: | tops_RegistrationAndTaxesExpense
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Spares and consumables costs which are used or consumed on vessels. + References No definition available. + Details
Name: | tops_SparesAndConsumableStores
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Vessel operating expenses include crew wages and related costs, insurance, repairs and maintenance, spares and consumable stores, and registration and taxes. + References No definition available. + Details
Name: | tops_VesselOperatingExpenses
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of operating expenses for vessel repair and maintenance. + References No definition available. + Details
Name: | tops_VesselRepairAndMaintenanceExpenses
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of operating expenses for vessel repair and maintenance paid to a related party. + References No definition available. + Details
Name: | tops_VesselRepairAndMaintenanceExpensesRelatedParty
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | tops_VoyageExpenseAbstract
Namespace Prefix: | tops_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Voyage expenses include port charges and other voyage expenses, bunkers (fuel costs) and commissions. + References No definition available. + Details
Name: | tops_VoyageExpenses
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(14)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
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