Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-20-017633-index-headers.html | 2020-12-17 17:06:50 | |
| 0001628280-20-017633-index.html | 2020-12-17 17:06:50 | |
| 0001628280-20-017633.txt | 2020-12-17 17:06:50 | |
 0001628280-20-017633-xbrl.zip | 26597 | 2020-12-17 17:06:50 |
| exhibit991vrt121720.htm | 20084 | 2020-12-17 17:06:50 |
| exhibit992vrt121720.htm | 30545 | 2020-12-17 17:06:50 |
| FilingSummary.xml | 1817 | 2020-12-17 17:06:50 |
| Financial_Report.xlsx | 5683 | 2020-12-17 17:06:50 |
 logo1a.jpg | 344592 | 2020-12-17 17:06:50 |
| MetaLinks.json | 23328 | 2020-12-17 17:06:50 |
| R1.htm | 47810 | 2020-12-17 17:06:50 |
| report.css | 2767 | 2020-12-17 17:06:50 |
| Show.js | 1085 | 2020-12-17 17:06:50 |
| vrt-20201217.htm | 48195 | 2020-12-17 17:06:50 |
| vrt-20201217.xsd | 3739 | 2020-12-17 17:06:50 |
| vrt-20201217_cal.xml | 705 | 2020-12-17 17:06:50 |
| vrt-20201217_def.xml | 17073 | 2020-12-17 17:06:50 |
| vrt-20201217_htm.xml | 17233 | 2020-12-17 17:06:50 |
| vrt-20201217_lab.xml | 35230 | 2020-12-17 17:06:50 |
| vrt-20201217_pre.xml | 17827 | 2020-12-17 17:06:50 |