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| 0001564590-18-010329-index.html | 2018-05-02 16:32:30 | |
| 0001564590-18-010329.txt | 2018-05-02 16:32:30 | |
 0001564590-18-010329-xbrl.zip | 137411 | 2018-05-02 16:32:30 |
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| report.css | 2767 | 2018-05-02 16:32:30 |
| sgu-10q_20180331.htm | 2298868 | 2018-05-02 16:32:30 |
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| Show.js | 1410 | 2018-05-02 16:32:30 |