Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001699136-21-000006-index-headers.html | 2021-02-05 18:44:21 | |
| 0001699136-21-000006-index.html | 2021-02-05 18:44:21 | |
| 0001699136-21-000006.txt | 2021-02-05 18:44:21 | |
 0001699136-21-000006-xbrl.zip | 12370 | 2021-02-05 18:44:21 |
| FilingSummary.xml | 1671 | 2021-02-05 18:44:21 |
| Financial_Report.xlsx | 5437 | 2021-02-05 18:44:21 |
| MetaLinks.json | 17293 | 2021-02-05 18:44:21 |
| R1.htm | 38603 | 2021-02-05 18:44:21 |
| report.css | 2767 | 2021-02-05 18:44:21 |
| Show.js | 1085 | 2021-02-05 18:44:21 |
| whd-20210202.htm | 34331 | 2021-02-05 18:44:21 |
| whd-20210202.xsd | 2424 | 2021-02-05 18:44:21 |
| whd-20210202_cal.xml | 713 | 2021-02-05 18:44:21 |
| whd-20210202_def.xml | 1646 | 2021-02-05 18:44:21 |
| whd-20210202_htm.xml | 10528 | 2021-02-05 18:44:21 |
| whd-20210202_lab.xml | 24275 | 2021-02-05 18:44:21 |
| whd-20210202_pre.xml | 12649 | 2021-02-05 18:44:21 |