XML 82 R69.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 17 - Voyage Expenses and Vessel Operating Expenses - Voyage Expenses (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Port expenses | $ 2,546,926 | $ 3,306,157 | $ 3,960,574
Bunkers | 6,668,126 | 6,117,326 | 8,566,490
Commissions | 4,584,612 | 4,259,812 | 4,112,177
Other voyage expenses | 1,916,873 | 1,706,970 | 936,297
Total | $ 15,716,537 | $ 15,390,265 | $ 17,575,538

X
- Definition Amount of expense recognized during the period for bunkers. + References No definition available. + Details
Name: | gass_BunkerExpense
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense recognized during the period for commissions. + References No definition available. + Details
Name: | gass_CommissionsExpense
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense recognized during the period for other voyage expenses. + References No definition available. + Details
Name: | gass_OtherVoyageExpense
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense recognized during the period for port expenses. + References No definition available. + Details
Name: | gass_PortExpenses
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of voyage expenses, including related parties, recognized during the period. + References No definition available. + Details
Name: | gass_VoyageExpensesIncludingRelatedParty
Namespace Prefix: | gass_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration