Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-006525-index-headers.html | 2022-04-28 16:04:36 | |
| 0000950170-22-006525-index.html | 2022-04-28 16:04:36 | |
| 0000950170-22-006525.txt | 2022-04-28 16:04:36 | |
 0000950170-22-006525-xbrl.zip | 32295 | 2022-04-28 16:04:36 |
| drq-20220428.htm | 66297 | 2022-04-28 16:04:36 |
| drq-20220428.xsd | 2500 | 2022-04-28 16:04:36 |
| drq-20220428_htm.xml | 4515 | 2022-04-28 16:04:36 |
| drq-20220428_lab.xml | 18021 | 2022-04-28 16:04:36 |
| drq-20220428_pre.xml | 11152 | 2022-04-28 16:04:36 |
| drq-ex99_1.htm | 427829 | 2022-04-28 16:04:36 |
| drq-ex99_2.htm | 40543 | 2022-04-28 16:04:36 |
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 drq-ex99_2s18.jpg | 66042 | 2022-04-28 16:04:36 |
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 drq-ex99_2s20.jpg | 54459 | 2022-04-28 16:04:36 |
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 drq-ex99_2s6.jpg | 93056 | 2022-04-28 16:04:36 |
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 drq-ex99_2s9.jpg | 80819 | 2022-04-28 16:04:36 |
| FilingSummary.xml | 1771 | 2022-04-28 16:04:36 |
| Financial_Report.xlsx | 5682 | 2022-04-28 16:04:36 |
| MetaLinks.json | 18900 | 2022-04-28 16:04:36 |
| R1.htm | 38706 | 2022-04-28 16:04:36 |
| report.css | 2767 | 2022-04-28 16:04:36 |
| Show.js | 1085 | 2022-04-28 16:04:36 |