Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001699136-21-000105-index-headers.html | 2021-04-27 17:49:17 | |
| 0001699136-21-000105-index.html | 2021-04-27 17:49:17 | |
| 0001699136-21-000105.txt | 2021-04-27 17:49:17 | |
 0001699136-21-000105-xbrl.zip | 48823 | 2021-04-27 17:49:17 |
| exhibit10104-27x21.htm | 112806 | 2021-04-27 17:49:17 |
| exhibit10204-27x21.htm | 112883 | 2021-04-27 17:49:17 |
| FilingSummary.xml | 1751 | 2021-04-27 17:49:17 |
| Financial_Report.xlsx | 5656 | 2021-04-27 17:49:17 |
| MetaLinks.json | 17293 | 2021-04-27 17:49:17 |
| R1.htm | 38603 | 2021-04-27 17:49:17 |
| report.css | 2767 | 2021-04-27 17:49:17 |
| Show.js | 1085 | 2021-04-27 17:49:17 |
| whd-20210422.htm | 44274 | 2021-04-27 17:49:17 |
| whd-20210422.xsd | 2424 | 2021-04-27 17:49:17 |
| whd-20210422_cal.xml | 713 | 2021-04-27 17:49:17 |
| whd-20210422_def.xml | 1646 | 2021-04-27 17:49:17 |
| whd-20210422_htm.xml | 10528 | 2021-04-27 17:49:17 |
| whd-20210422_lab.xml | 24275 | 2021-04-27 17:49:17 |
| whd-20210422_pre.xml | 12649 | 2021-04-27 17:49:17 |