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|---|---|---|
 0001699136-20-000033-index-headers.html | 2020-11-04 17:25:18 | |
| 0001699136-20-000033-index.html | 2020-11-04 17:25:18 | |
| 0001699136-20-000033.txt | 2020-11-04 17:25:18 | |
 0001699136-20-000033-xbrl.zip | 28008 | 2020-11-04 17:25:18 |
| FilingSummary.xml | 1716 | 2020-11-04 17:25:18 |
| Financial_Report.xlsx | 5436 | 2020-11-04 17:25:18 |
| MetaLinks.json | 17293 | 2020-11-04 17:25:18 |
| R1.htm | 38604 | 2020-11-04 17:25:18 |
| report.css | 2767 | 2020-11-04 17:25:18 |
| Show.js | 1085 | 2020-11-04 17:25:18 |
 whd-20200429xex99d1g0011.jpg | 2805 | 2020-11-04 17:25:18 |
| whd-20200930xexhibit991.htm | 287002 | 2020-11-04 17:25:18 |
| whd-20201104.htm | 33210 | 2020-11-04 17:25:18 |
| whd-20201104.xsd | 2424 | 2020-11-04 17:25:18 |
| whd-20201104_cal.xml | 713 | 2020-11-04 17:25:18 |
| whd-20201104_def.xml | 1646 | 2020-11-04 17:25:18 |
| whd-20201104_htm.xml | 10528 | 2020-11-04 17:25:18 |
| whd-20201104_lab.xml | 24275 | 2020-11-04 17:25:18 |
| whd-20201104_pre.xml | 12649 | 2020-11-04 17:25:18 |