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| 0001564590-19-037766.txt | 2019-10-24 19:03:14 | |
 0001564590-19-037766-xbrl.zip | 183863 | 2019-10-24 19:03:14 |
| drq-10q_20190930.htm | 3431594 | 2019-10-24 19:03:14 |
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| report.css | 2767 | 2019-10-24 19:03:14 |
| Show.js | 1085 | 2019-10-24 19:03:14 |