XML 36 R29.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Vessel Depreciation [Abstract] |  |
Estimated residual scrap rate per light-weight ton | $ 430 | $ 300
Reduction in depreciation expense due to increase in estimated scrap rate | $ (492) |
Increase in earnings per common share, basic due to increase in estimated scrap rate (in dollars per share) | $ 0.11 |
Increase in earnings per common share, diluted due to increase in estimated scrap rate (in dollars per share) | $ 0.11 |
Estimated useful life of vessels | 25 years |

X
- Definition Amount of (decrease) in depreciation expense due to an increase in the estimated scrap rate. + References No definition available. + Details
Name: | tops_ScrapRateEstimateDecreaseInDepreciationExpense
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in basic earnings per share during the reporting period due to an increase in the estimated scrap rate. + References No definition available. + Details
Name: | tops_ScrapRateEstimateIncreaseInEarningsPerShareBasic
Namespace Prefix: | tops_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in diluted earnings per share during the reporting period due to an increase in the estimated scrap rate. + References No definition available. + Details
Name: | tops_ScrapRateEstimateIncreaseInEarningsPerShareDiluted
Namespace Prefix: | tops_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentSalvageValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant