Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001699136-23-000005-index-headers.html | 2023-02-07 19:29:49 | |
| 0001699136-23-000005-index.html | 2023-02-07 19:29:49 | |
| 0001699136-23-000005.txt | 2023-02-07 19:29:49 | |
 0001699136-23-000005-xbrl.zip | 50434 | 2023-02-07 19:29:49 |
| FilingSummary.xml | 1690 | 2023-02-07 19:29:49 |
| Financial_Report.xlsx | 5709 | 2023-02-07 19:29:49 |
| MetaLinks.json | 17614 | 2023-02-07 19:29:49 |
| R1.htm | 39598 | 2023-02-07 19:29:49 |
| report.css | 2767 | 2023-02-07 19:29:49 |
| Show.js | 1085 | 2023-02-07 19:29:49 |
 whd-20200429xex99d1g001.jpg | 2805 | 2023-02-07 19:29:49 |
| whd-20230207.htm | 36398 | 2023-02-07 19:29:49 |
| whd-20230207.xsd | 1905 | 2023-02-07 19:29:49 |
| whd-20230207xexhibit31.htm | 265096 | 2023-02-07 19:29:49 |
| whd-20230207xexhibit991.htm | 8707 | 2023-02-07 19:29:49 |
| whd-20230207_htm.xml | 11057 | 2023-02-07 19:29:49 |
| whd-20230207_lab.xml | 25138 | 2023-02-07 19:29:49 |
| whd-20230207_pre.xml | 13046 | 2023-02-07 19:29:49 |