Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001699136-21-000122-index-headers.html | 2021-05-19 14:58:30 | |
| 0001699136-21-000122-index.html | 2021-05-19 14:58:30 | |
| 0001699136-21-000122.txt | 2021-05-19 14:58:30 | |
 0001699136-21-000122-xbrl.zip | 10709 | 2021-05-19 14:58:30 |
| FilingSummary.xml | 1596 | 2021-05-19 14:58:30 |
| Financial_Report.xlsx | 5656 | 2021-05-19 14:58:30 |
| MetaLinks.json | 17126 | 2021-05-19 14:58:30 |
| R1.htm | 38600 | 2021-05-19 14:58:30 |
| report.css | 2766 | 2021-05-19 14:58:30 |
| Show.js | 1084 | 2021-05-19 14:58:30 |
| whd-20210518.htm | 38744 | 2021-05-19 14:58:30 |
| whd-20210518.xsd | 1917 | 2021-05-19 14:58:30 |
| whd-20210518_htm.xml | 10528 | 2021-05-19 14:58:30 |
| whd-20210518_lab.xml | 24275 | 2021-05-19 14:58:30 |
| whd-20210518_pre.xml | 12649 | 2021-05-19 14:58:30 |