Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001603923-20-000068-index-headers.html | 2020-09-10 16:20:47 | |
| 0001603923-20-000068-index.html | 2020-09-10 16:20:47 | |
| 0001603923-20-000068.txt | 2020-09-10 16:20:47 | |
 0001603923-20-000068-xbrl.zip | 18572 | 2020-09-10 16:20:47 |
| FilingSummary.xml | 1791 | 2020-09-10 16:20:47 |
| Financial_Report.xlsx | 5338 | 2020-09-10 16:20:47 |
 image01.jpg | 15121 | 2020-09-10 16:20:47 |
| MetaLinks.json | 18615 | 2020-09-10 16:20:47 |
| newceopressrelease2020.htm | 14034 | 2020-09-10 16:20:47 |
| R1.htm | 34062 | 2020-09-10 16:20:47 |
| report.css | 2767 | 2020-09-10 16:20:47 |
| Show.js | 1085 | 2020-09-10 16:20:47 |
| wft-20200910.htm | 56838 | 2020-09-10 16:20:47 |
| wft-20200910.xsd | 2499 | 2020-09-10 16:20:47 |
| wft-20200910_cal.xml | 784 | 2020-09-10 16:20:47 |
| wft-20200910_def.xml | 3999 | 2020-09-10 16:20:47 |
| wft-20200910_htm.xml | 9302 | 2020-09-10 16:20:47 |
| wft-20200910_lab.xml | 25518 | 2020-09-10 16:20:47 |
| wft-20200910_pre.xml | 13370 | 2020-09-10 16:20:47 |