XML 35 R42.htm IDEA: XBRL DOCUMENT v2.4.0.6

Note 5 - Advances for Vessels Under Construction and Acquisitions (Detail) - Advances for Vessels Under Construction and Acquisitions (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Balance, December 31	$ 22,347,811	$ 37,273,199
Advances for vessels under construction	61,632,129	52,797,646
Capitalized interest	281,484	557,565	556,314
Capitalized expenses	721,220	1,625,979
Vessels delivered	(65,661,599)	(69,906,578)
Balance, December 31	$ 19,321,045	$ 22,347,811	$ 37,273,199

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_AdvancesForVesselsUnderConstructionAcquisitions
Namespace Prefix:	gass_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

Other capitalized costs incurred during the construction period and before a vessel is acquired.

+ References

No definition available.

+ Details

Name:	gass_CapitalizedExpenses
Namespace Prefix:	gass_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

This item represents the book value including capitalized expenses of vessels that were delivered to the Company during the period.

+ References

No definition available.

+ Details

Name:	gass_VesselsDelivered
Namespace Prefix:	gass_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Allowance for Funds Used during Construction

-URI http://asc.fasb.org/extlink&oid=6504829



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 34

-Paragraph 21

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_InterestCostsCapitalized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration