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| 0001042893-18-000010-index.html | 2018-07-26 17:23:33 | |
| 0001042893-18-000010.txt | 2018-07-26 17:23:33 | |
 0001042893-18-000010-xbrl.zip | 138486 | 2018-07-26 17:23:33 |
| a2018630document.htm | 1024243 | 2018-07-26 17:23:33 |
| drq-20180630.xml | 1386071 | 2018-07-26 17:23:33 |
| drq-20180630.xsd | 31058 | 2018-07-26 17:23:33 |
| drq-20180630_cal.xml | 58198 | 2018-07-26 17:23:33 |
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| drq-20180630_lab.xml | 409715 | 2018-07-26 17:23:33 |
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| exhibit3222018q2.htm | 6225 | 2018-07-26 17:23:33 |
| FilingSummary.xml | 27130 | 2018-07-26 17:23:33 |
| Financial_Report.xlsx | 54841 | 2018-07-26 17:23:33 |
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| report.css | 2767 | 2018-07-26 17:23:33 |
| Show.js | 1410 | 2018-07-26 17:23:33 |