Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-020311-index-headers.html | 2022-10-27 16:00:29 | |
| 0000950170-22-020311-index.html | 2022-10-27 16:00:29 | |
| 0000950170-22-020311.txt | 2022-10-27 16:00:29 | |
 0000950170-22-020311-xbrl.zip | 31852 | 2022-10-27 16:00:29 |
| drq-20221027.htm | 71697 | 2022-10-27 16:00:29 |
| drq-20221027.xsd | 2474 | 2022-10-27 16:00:29 |
| drq-20221027_htm.xml | 4681 | 2022-10-27 16:00:29 |
| drq-20221027_lab.xml | 17925 | 2022-10-27 16:00:29 |
| drq-20221027_pre.xml | 11056 | 2022-10-27 16:00:29 |
| drq-ex99_1.htm | 434457 | 2022-10-27 16:00:29 |
| drq-ex99_2.htm | 19521 | 2022-10-27 16:00:29 |
 drq-ex99_2s1.jpg | 35728 | 2022-10-27 16:00:29 |
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 drq-ex99_2s16.jpg | 63003 | 2022-10-27 16:00:29 |
 drq-ex99_2s17.jpg | 62205 | 2022-10-27 16:00:29 |
 drq-ex99_2s18.jpg | 59426 | 2022-10-27 16:00:29 |
 drq-ex99_2s19.jpg | 46011 | 2022-10-27 16:00:29 |
 drq-ex99_2s2.jpg | 137841 | 2022-10-27 16:00:29 |
 drq-ex99_2s20.jpg | 56362 | 2022-10-27 16:00:29 |
 drq-ex99_2s21.jpg | 60315 | 2022-10-27 16:00:29 |
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 drq-ex99_2s23.jpg | 25735 | 2022-10-27 16:00:29 |
 drq-ex99_2s3.jpg | 52832 | 2022-10-27 16:00:29 |
 drq-ex99_2s4.jpg | 59571 | 2022-10-27 16:00:29 |
 drq-ex99_2s5.jpg | 120244 | 2022-10-27 16:00:29 |
 drq-ex99_2s6.jpg | 75657 | 2022-10-27 16:00:29 |
 drq-ex99_2s7.jpg | 85692 | 2022-10-27 16:00:29 |
 drq-ex99_2s8.jpg | 43984 | 2022-10-27 16:00:29 |
 drq-ex99_2s9.jpg | 40219 | 2022-10-27 16:00:29 |
| FilingSummary.xml | 2057 | 2022-10-27 16:00:29 |
| Financial_Report.xlsx | 5721 | 2022-10-27 16:00:29 |
| MetaLinks.json | 18810 | 2022-10-27 16:00:29 |
| R1.htm | 39574 | 2022-10-27 16:00:29 |
| report.css | 2767 | 2022-10-27 16:00:29 |
| Show.js | 1085 | 2022-10-27 16:00:29 |