XML 59 R45.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Note 5 - Advances for Vessels Under Construction and Acquisitions (Details Textual) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
--- | --- | --- | ---
Advances for Vessels Under Construction and Acquisitions | $ 55,785,801 | $ 44,031,882 | $ 88,965,085
LPG Carriers Contracted in 2014 from Ship-builders [Member] |  |  |
Number of Vessels Under Construction | 4 | 6 |

X
- Definition Advance payments to ship-builders for vessels under construction or payments to sellers for new vessels. + References No definition available. + Details
Name: | gass_AdvancesForVesselsUnderConstructionAndAcquisitions
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the number of vessels under construction. + References No definition available. + Details
Name: | gass_NumberOfVesselsUnderConstruction
Namespace Prefix: | gass_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=gass_LPGCarriersContractedIn2014FromShipBuildersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |