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| 0001004155-14-000023-index.html | 2014-04-29 08:23:00 | |
| 0001004155-14-000023.txt | 2014-04-29 08:23:00 | |
 0001004155-14-000023-xbrl.zip | 261259 | 2014-04-29 08:23:00 |
| exhibit_12.htm | 82055 | 2014-04-29 08:23:00 |
| exhibit_31-1.htm | 12149 | 2014-04-29 08:23:00 |
| exhibit_31-2.htm | 16565 | 2014-04-29 08:23:00 |
| exhibit_32-1.htm | 6088 | 2014-04-29 08:23:00 |
| exhibit_32-2.htm | 5935 | 2014-04-29 08:23:00 |
| FilingSummary.xml | 33648 | 2014-04-29 08:23:00 |
| Financial_Report.xls | 2941592 | 2014-04-29 08:23:00 |
| Financial_Report.xlsx | 225994 | 2014-04-29 08:23:00 |
| form_10-q.htm | 2017670 | 2014-04-29 08:23:00 |
| gas-20140331.xml | 3396233 | 2014-04-29 08:23:00 |
| gas-20140331.xsd | 87478 | 2014-04-29 08:23:00 |
| gas-20140331_cal.xml | 46752 | 2014-04-29 08:23:00 |
| gas-20140331_def.xml | 372822 | 2014-04-29 08:23:00 |
| gas-20140331_lab.xml | 579511 | 2014-04-29 08:23:00 |
| gas-20140331_pre.xml | 371894 | 2014-04-29 08:23:00 |
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| report.css | 2740 | 2014-04-29 08:23:00 |
| Show.js | 1410 | 2014-04-29 08:23:00 |