XBRL Filings

XBRL is an XML-based language for the electronic transmission of business and financial data. XBRL is not an accounting standard; it is simply a standard for transmitting business and financial data.

The various XBRL exhibits included on this web page are displayed in their native XML format and have been included to provide you the option of importing them into your XBRL viewer of choice.

Fiscal Year 2016

gass-20161231.xml

gass-20161231.xsd

gass-20161231_cal.xml

gass-20161231_def.xml

gass-20161231_lab.xml

gass-20161231_pre.xml

Fiscal Year 2015

gass-20151231.xml

gass-20151231.xsd

gass-20151231_cal.xml

gass-20151231_def.xml

gass-20151231_lab.xml

gass-20151231_pre.xml

Fiscal Year 2014

gass-20141231.xml

gass-20141231.xsd

gass-20141231_cal.xml

gass-20141231_def.xml

gass-20141231_lab.xml

gass-20141231_pre.xml

Fiscal Year 2013

gass-20131231.xml

gass-20131231.xsd

gass-20131231_cal.xml

gass-20131231_def.xml

gass-20131231_lab.xml

gass-20131231_pre.xml

 

Fiscal Year 2012

gass-20121231.xml

gass-20121231.xsd

gass-20121231_cal.xml

gass-20121231_def.xml

gass-20121231_lab.xml

gass-20121231_pre.xml

9 Months (ended September 30, 2012

gass-20120930.xml

gass-20120930.xsd

gass-20120930_cal.xml

gass-20120930_def.xml

gass-20120930_lab.xml

gass-20120930_pre.xml

 

Fiscal Year 2011

sgi-20111231.xml

sgi-20111231.xsd

sgi-20111231_cal.xml

sgi-20111231_def.xml

sgi-20111231_lab.xml

sgi-20111231_pre.xml