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v3.19.2

Unaudited Interim Condensed Consolidated Statements of Comprehensive Loss (Parentheticals) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Interest and finance costs, related party | $ 948 | $ 361

X
- Definition Interest and debt related expenses associated with nonoperating financing activities of the entity with related party. + References No definition available. + Details
Name: | tops_InterestAndDebtExpenseRelatedParty
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration