Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-001775-index-headers.html | 2022-02-23 16:06:23 | |
| 0000950170-22-001775-index.html | 2022-02-23 16:06:23 | |
| 0000950170-22-001775.txt | 2022-02-23 16:06:23 | |
 0000950170-22-001775-xbrl.zip | 37034 | 2022-02-23 16:06:23 |
| drq-20220223.htm | 63199 | 2022-02-23 16:06:23 |
| drq-20220223.xsd | 2500 | 2022-02-23 16:06:23 |
| drq-20220223_htm.xml | 4681 | 2022-02-23 16:06:23 |
| drq-20220223_lab.xml | 17827 | 2022-02-23 16:06:23 |
| drq-20220223_pre.xml | 11147 | 2022-02-23 16:06:23 |
| drq-ex99_1.htm | 591974 | 2022-02-23 16:06:23 |
| drq-ex99_2.htm | 25235 | 2022-02-23 16:06:23 |
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 drq-ex99_2s18.jpg | 14369 | 2022-02-23 16:06:23 |
 drq-ex99_2s19.jpg | 64834 | 2022-02-23 16:06:23 |
 drq-ex99_2s2.jpg | 130123 | 2022-02-23 16:06:23 |
 drq-ex99_2s20.jpg | 47114 | 2022-02-23 16:06:23 |
 drq-ex99_2s21.jpg | 81604 | 2022-02-23 16:06:23 |
 drq-ex99_2s22.jpg | 64523 | 2022-02-23 16:06:23 |
 drq-ex99_2s23.jpg | 48004 | 2022-02-23 16:06:23 |
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 drq-ex99_2s25.jpg | 24941 | 2022-02-23 16:06:23 |
 drq-ex99_2s3.jpg | 91260 | 2022-02-23 16:06:23 |
 drq-ex99_2s4.jpg | 67464 | 2022-02-23 16:06:23 |
 drq-ex99_2s5.jpg | 61115 | 2022-02-23 16:06:23 |
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 drq-ex99_2s7.jpg | 72199 | 2022-02-23 16:06:23 |
 drq-ex99_2s8.jpg | 89176 | 2022-02-23 16:06:23 |
 drq-ex99_2s9.jpg | 65549 | 2022-02-23 16:06:23 |
| FilingSummary.xml | 1774 | 2022-02-23 16:06:23 |
| Financial_Report.xlsx | 5686 | 2022-02-23 16:06:23 |
| MetaLinks.json | 18831 | 2022-02-23 16:06:23 |
| R1.htm | 40063 | 2022-02-23 16:06:23 |
| report.css | 2767 | 2022-02-23 16:06:23 |
| Show.js | 1085 | 2022-02-23 16:06:23 |