Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000950170-22-006534-index.html | 2022-04-28 16:10:12 | |
| 0000950170-22-006534.txt | 2022-04-28 16:10:12 | |
 0000950170-22-006534-xbrl.zip | 162167 | 2022-04-28 16:10:12 |
| drq-20220331.htm | 2181250 | 2022-04-28 16:10:12 |
| drq-20220331.xsd | 32867 | 2022-04-28 16:10:12 |
| drq-20220331_cal.xml | 44479 | 2022-04-28 16:10:12 |
| drq-20220331_def.xml | 106542 | 2022-04-28 16:10:12 |
| drq-20220331_htm.xml | 1816443 | 2022-04-28 16:10:12 |
| drq-20220331_lab.xml | 298378 | 2022-04-28 16:10:12 |
| drq-20220331_pre.xml | 218586 | 2022-04-28 16:10:12 |
| drq-ex31_1.htm | 18928 | 2022-04-28 16:10:12 |
| drq-ex31_2.htm | 15885 | 2022-04-28 16:10:12 |
| drq-ex32_1.htm | 8963 | 2022-04-28 16:10:12 |
| drq-ex32_2.htm | 9505 | 2022-04-28 16:10:12 |
| FilingSummary.xml | 29132 | 2022-04-28 16:10:12 |
| Financial_Report.xlsx | 60687 | 2022-04-28 16:10:12 |
| MetaLinks.json | 477514 | 2022-04-28 16:10:12 |
| R1.htm | 53890 | 2022-04-28 16:10:12 |
| R10.htm | 71634 | 2022-04-28 16:10:12 |
| R11.htm | 97853 | 2022-04-28 16:10:12 |
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| R26.htm | 346737 | 2022-04-28 16:10:12 |
| R27.htm | 5661 | 2022-04-28 16:10:12 |
| R28.htm | 16044 | 2022-04-28 16:10:12 |
| R29.htm | 9425 | 2022-04-28 16:10:12 |
| R3.htm | 17675 | 2022-04-28 16:10:12 |
| R30.htm | 12942 | 2022-04-28 16:10:12 |
| R31.htm | 25399 | 2022-04-28 16:10:12 |
| R32.htm | 19706 | 2022-04-28 16:10:12 |
| R33.htm | 8786 | 2022-04-28 16:10:12 |
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| R4.htm | 96394 | 2022-04-28 16:10:12 |
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| R44.htm | 6579 | 2022-04-28 16:10:12 |
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| R8.htm | 5056 | 2022-04-28 16:10:12 |
| R9.htm | 11698 | 2022-04-28 16:10:12 |
| report.css | 2767 | 2022-04-28 16:10:12 |
| Show.js | 1085 | 2022-04-28 16:10:12 |