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| 0001564590-21-021587-index.html | 2021-04-29 07:10:08 | |
| 0001564590-21-021587.txt | 2021-04-29 07:10:08 | |
 0001564590-21-021587-xbrl.zip | 143424 | 2021-04-29 07:10:08 |
| drq-10q_20210331.htm | 2098593 | 2021-04-29 07:10:08 |
| drq-10q_20210331_htm.xml | 1774128 | 2021-04-29 07:10:08 |
| drq-20210331.xsd | 37868 | 2021-04-29 07:10:08 |
| drq-20210331_cal.xml | 49073 | 2021-04-29 07:10:08 |
| drq-20210331_def.xml | 112029 | 2021-04-29 07:10:08 |
| drq-20210331_lab.xml | 295141 | 2021-04-29 07:10:08 |
| drq-20210331_pre.xml | 231391 | 2021-04-29 07:10:08 |
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| drq-ex312_7.htm | 16784 | 2021-04-29 07:10:08 |
| drq-ex321_6.htm | 6538 | 2021-04-29 07:10:08 |
| drq-ex322_8.htm | 6752 | 2021-04-29 07:10:08 |
| FilingSummary.xml | 30380 | 2021-04-29 07:10:08 |
| Financial_Report.xlsx | 65913 | 2021-04-29 07:10:08 |
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| R1.htm | 53763 | 2021-04-29 07:10:08 |
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| report.css | 2767 | 2021-04-29 07:10:08 |
| Show.js | 1085 | 2021-04-29 07:10:08 |