Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-006362-index-headers.html | 2020-05-11 21:20:49 | |
| 0001558370-20-006362-index.html | 2020-05-11 21:20:49 | |
| 0001558370-20-006362.txt | 2020-05-11 21:20:49 | |
 0001558370-20-006362-xbrl.zip | 23967 | 2020-05-11 21:20:49 |
| FilingSummary.xml | 1722 | 2020-05-11 21:20:49 |
| Financial_Report.xlsx | 5778 | 2020-05-11 21:20:49 |
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| R1.htm | 38568 | 2020-05-11 21:20:49 |
| report.css | 2767 | 2020-05-11 21:20:49 |
| Show.js | 1085 | 2020-05-11 21:20:49 |
| whd-20200511.xsd | 2779 | 2020-05-11 21:20:49 |
| whd-20200511x8k.htm | 40362 | 2020-05-11 21:20:49 |
| whd-20200511x8k_htm.xml | 4665 | 2020-05-11 21:20:49 |
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| whd-20200511_lab.xml | 15482 | 2020-05-11 21:20:49 |
| whd-20200511_pre.xml | 10956 | 2020-05-11 21:20:49 |