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|---|---|---|
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| 0000277375-16-000243-index.html | 2016-02-05 09:34:26 | |
| 0000277375-16-000243.txt | 2016-02-05 09:34:26 | |
 0000277375-16-000243-xbrl.zip | 105664 | 2016-02-05 09:34:26 |
| dgas-20151231.xml | 649403 | 2016-02-05 09:34:26 |
| dgas-20151231.xsd | 28689 | 2016-02-05 09:34:26 |
| dgas-20151231x10q.htm | 715948 | 2016-02-05 09:34:26 |
| dgas-20151231x10qxex311.htm | 13788 | 2016-02-05 09:34:26 |
| dgas-20151231x10qxex312.htm | 13764 | 2016-02-05 09:34:26 |
| dgas-20151231x10qxex321.htm | 8018 | 2016-02-05 09:34:26 |
| dgas-20151231x10qxex322.htm | 8001 | 2016-02-05 09:34:26 |
| dgas-20151231_cal.xml | 55813 | 2016-02-05 09:34:26 |
| dgas-20151231_def.xml | 128565 | 2016-02-05 09:34:26 |
| dgas-20151231_lab.xml | 378406 | 2016-02-05 09:34:26 |
| dgas-20151231_pre.xml | 226121 | 2016-02-05 09:34:26 |
| FilingSummary.xml | 20168 | 2016-02-05 09:34:26 |
| Financial_Report.xlsx | 40872 | 2016-02-05 09:34:26 |
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| report.css | 2767 | 2016-02-05 09:34:26 |
| Show.js | 1410 | 2016-02-05 09:34:26 |