Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001699136-23-000012-index-headers.html | 2023-02-22 19:27:52 | |
| 0001699136-23-000012-index.html | 2023-02-22 19:27:52 | |
| 0001699136-23-000012.txt | 2023-02-22 19:27:52 | |
 0001699136-23-000012-xbrl.zip | 29737 | 2023-02-22 19:27:52 |
| FilingSummary.xml | 1646 | 2023-02-22 19:27:52 |
| Financial_Report.xlsx | 5680 | 2023-02-22 19:27:52 |
| MetaLinks.json | 17084 | 2023-02-22 19:27:52 |
| R1.htm | 38080 | 2023-02-22 19:27:52 |
| report.css | 2767 | 2023-02-22 19:27:52 |
| Show.js | 1085 | 2023-02-22 19:27:52 |
 whd-20200429xex99d1g001.jpg | 2805 | 2023-02-22 19:27:52 |
| whd-20221231xexhibit991.htm | 335411 | 2023-02-22 19:27:52 |
| whd-20230222.htm | 32857 | 2023-02-22 19:27:52 |
| whd-20230222.xsd | 1905 | 2023-02-22 19:27:52 |
| whd-20230222_htm.xml | 10562 | 2023-02-22 19:27:52 |
| whd-20230222_lab.xml | 24137 | 2023-02-22 19:27:52 |
| whd-20230222_pre.xml | 12511 | 2023-02-22 19:27:52 |