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v3.21.1

Note 18 - Revenues (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($)
Demurrage Revenue | $ 687

X
- Definition Amount of demurrage revenue recognized. + References No definition available. + Details
Name: | tops_DemurrageRevenue
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration