XML 52 R65.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 15 - Voyage Expenses and Vessel Operating Expenses (Details) - Voyage Expenses (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Note 15 - Voyage Expenses and Vessel Operating Expenses (Details) - Voyage Expenses [Line Items] |  |  |
Voyage expenses | $ 14,087,511 gass_VoyageExpensesIncludingRelatedParty | $ 14,302,630 gass_VoyageExpensesIncludingRelatedParty | $ 12,703,750 gass_VoyageExpensesIncludingRelatedParty
Port Expenses [Member] |  |  |
Note 15 - Voyage Expenses and Vessel Operating Expenses (Details) - Voyage Expenses [Line Items] |  |  |
Voyage expenses | 2,278,961 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_PortExpensesMember | 2,067,494 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_PortExpensesMember | 1,749,565 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_PortExpensesMember
Bunkers [Member] |  |  |
Note 15 - Voyage Expenses and Vessel Operating Expenses (Details) - Voyage Expenses [Line Items] |  |  |
Voyage expenses | 7,553,318 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_BunkersMember | 8,347,130 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_BunkersMember | 7,253,583 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_BunkersMember
Commissions [Member] |  |  |
Note 15 - Voyage Expenses and Vessel Operating Expenses (Details) - Voyage Expenses [Line Items] |  |  |
Voyage expenses | 3,725,645 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_CommissionsMember | 3,244,939 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_CommissionsMember | 3,304,220 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_CommissionsMember
Other Voyage Expenses [Member] |  |  |
Note 15 - Voyage Expenses and Vessel Operating Expenses (Details) - Voyage Expenses [Line Items] |  |  |
Voyage expenses | $ 529,587 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_OtherVoyageExpensesMember | $ 643,067 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_OtherVoyageExpensesMember | $ 396,382 gass_VoyageExpensesIncludingRelatedParty / gass_VoyageExpensesAxis = gass_OtherVoyageExpensesMember

X
- Details
Name: | gass_Note15VoyageExpensesandVesselOperatingExpensesDetailsVoyageExpensesLineItems
Namespace Prefix: | gass_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | gass_VoyageExpensesIncludingRelatedParty
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | gass_VoyageExpensesAxis=gass_BunkersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gass_VoyageExpensesAxis=gass_CommissionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gass_VoyageExpensesAxis=gass_OtherVoyageExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gass_VoyageExpensesAxis=gass_PortExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |