Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-026145-index-headers.html | 2019-07-25 16:36:55 | |
| 0001564590-19-026145-index.html | 2019-07-25 16:36:55 | |
| 0001564590-19-026145.txt | 2019-07-25 16:36:55 | |
 0001564590-19-026145-xbrl.zip | 177140 | 2019-07-25 16:36:55 |
| drq-10q_20190630.htm | 3409487 | 2019-07-25 16:36:55 |
| drq-10q_20190630_htm.xml | 3071394 | 2019-07-25 16:36:55 |
| drq-20190630.xsd | 46345 | 2019-07-25 16:36:55 |
| drq-20190630_cal.xml | 64986 | 2019-07-25 16:36:55 |
| drq-20190630_def.xml | 120310 | 2019-07-25 16:36:55 |
| drq-20190630_lab.xml | 350420 | 2019-07-25 16:36:55 |
| drq-20190630_pre.xml | 268441 | 2019-07-25 16:36:55 |
| drq-ex311_8.htm | 16892 | 2019-07-25 16:36:55 |
| drq-ex312_7.htm | 16621 | 2019-07-25 16:36:55 |
| drq-ex321_6.htm | 6501 | 2019-07-25 16:36:55 |
| drq-ex322_9.htm | 6594 | 2019-07-25 16:36:55 |
| FilingSummary.xml | 33356 | 2019-07-25 16:36:55 |
| Financial_Report.xlsx | 66903 | 2019-07-25 16:36:55 |
| MetaLinks.json | 472564 | 2019-07-25 16:36:55 |
| R1.htm | 43841 | 2019-07-25 16:36:55 |
| R10.htm | 107009 | 2019-07-25 16:36:55 |
| R11.htm | 6244 | 2019-07-25 16:36:55 |
| R12.htm | 92118 | 2019-07-25 16:36:55 |
| R13.htm | 6207 | 2019-07-25 16:36:55 |
| R14.htm | 34564 | 2019-07-25 16:36:55 |
| R15.htm | 38558 | 2019-07-25 16:36:55 |
| R16.htm | 122489 | 2019-07-25 16:36:55 |
| R17.htm | 173770 | 2019-07-25 16:36:55 |
| R18.htm | 9232 | 2019-07-25 16:36:55 |
| R19.htm | 641971 | 2019-07-25 16:36:55 |
| R2.htm | 83885 | 2019-07-25 16:36:55 |
| R20.htm | 5283 | 2019-07-25 16:36:55 |
| R21.htm | 8738 | 2019-07-25 16:36:55 |
| R22.htm | 128754 | 2019-07-25 16:36:55 |
| R23.htm | 81749 | 2019-07-25 16:36:55 |
| R24.htm | 90243 | 2019-07-25 16:36:55 |
| R25.htm | 35232 | 2019-07-25 16:36:55 |
| R26.htm | 36158 | 2019-07-25 16:36:55 |
| R27.htm | 122226 | 2019-07-25 16:36:55 |
| R28.htm | 175309 | 2019-07-25 16:36:55 |
| R29.htm | 641473 | 2019-07-25 16:36:55 |
| R3.htm | 17006 | 2019-07-25 16:36:55 |
| R30.htm | 5661 | 2019-07-25 16:36:55 |
| R31.htm | 36438 | 2019-07-25 16:36:55 |
| R32.htm | 9872 | 2019-07-25 16:36:55 |
| R33.htm | 14038 | 2019-07-25 16:36:55 |
| R34.htm | 26230 | 2019-07-25 16:36:55 |
| R35.htm | 19743 | 2019-07-25 16:36:55 |
| R36.htm | 8688 | 2019-07-25 16:36:55 |
| R37.htm | 11873 | 2019-07-25 16:36:55 |
| R38.htm | 13143 | 2019-07-25 16:36:55 |
| R39.htm | 15515 | 2019-07-25 16:36:55 |
| R4.htm | 67012 | 2019-07-25 16:36:55 |
| R40.htm | 14231 | 2019-07-25 16:36:55 |
| R41.htm | 40766 | 2019-07-25 16:36:55 |
| R42.htm | 21500 | 2019-07-25 16:36:55 |
| R43.htm | 26725 | 2019-07-25 16:36:55 |
| R44.htm | 17646 | 2019-07-25 16:36:55 |
| R45.htm | 54489 | 2019-07-25 16:36:55 |
| R46.htm | 11355 | 2019-07-25 16:36:55 |
| R47.htm | 6772 | 2019-07-25 16:36:55 |
| R48.htm | 28404 | 2019-07-25 16:36:55 |
| R49.htm | 105847 | 2019-07-25 16:36:55 |
| R5.htm | 13670 | 2019-07-25 16:36:55 |
| R50.htm | 5472 | 2019-07-25 16:36:55 |
| R51.htm | 5312 | 2019-07-25 16:36:55 |
| R52.htm | 9145 | 2019-07-25 16:36:55 |
| R6.htm | 58926 | 2019-07-25 16:36:55 |
| R7.htm | 42739 | 2019-07-25 16:36:55 |
| R8.htm | 5375 | 2019-07-25 16:36:55 |
| R9.htm | 9961 | 2019-07-25 16:36:55 |
| report.css | 2767 | 2019-07-25 16:36:55 |
| Show.js | 1085 | 2019-07-25 16:36:55 |