Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001699136-20-000005-index-headers.html | 2020-07-29 17:33:27 | |
| 0001699136-20-000005-index.html | 2020-07-29 17:33:27 | |
| 0001699136-20-000005.txt | 2020-07-29 17:33:27 | |
 0001699136-20-000005-xbrl.zip | 31459 | 2020-07-29 17:33:27 |
| FilingSummary.xml | 1716 | 2020-07-29 17:33:27 |
| Financial_Report.xlsx | 5435 | 2020-07-29 17:33:27 |
| MetaLinks.json | 17293 | 2020-07-29 17:33:27 |
| R1.htm | 38603 | 2020-07-29 17:33:27 |
| report.css | 2767 | 2020-07-29 17:33:27 |
| Show.js | 1085 | 2020-07-29 17:33:27 |
 whd-20200429xex99d1g001.jpg | 2805 | 2020-07-29 17:33:27 |
| whd-20200630xexhibit991.htm | 449557 | 2020-07-29 17:33:27 |
| whd-20200729.htm | 39217 | 2020-07-29 17:33:27 |
| whd-20200729.xsd | 2424 | 2020-07-29 17:33:27 |
| whd-20200729_cal.xml | 713 | 2020-07-29 17:33:27 |
| whd-20200729_def.xml | 1646 | 2020-07-29 17:33:27 |
| whd-20200729_htm.xml | 10530 | 2020-07-29 17:33:27 |
| whd-20200729_lab.xml | 24275 | 2020-07-29 17:33:27 |
| whd-20200729_pre.xml | 12649 | 2020-07-29 17:33:27 |