Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-22-013007-index-headers.html | 2022-02-08 07:09:29 | |
| 0001104659-22-013007-index.html | 2022-02-08 07:09:29 | |
| 0001104659-22-013007.txt | 2022-02-08 07:09:29 | |
 0001104659-22-013007-xbrl.zip | 31513 | 2022-02-08 07:09:29 |
| FilingSummary.xml | 1643 | 2022-02-08 07:09:29 |
| Financial_Report.xlsx | 5667 | 2022-02-08 07:09:29 |
| MetaLinks.json | 37817 | 2022-02-08 07:09:29 |
| R1.htm | 38569 | 2022-02-08 07:09:29 |
| report.css | 2767 | 2022-02-08 07:09:29 |
| Show.js | 1085 | 2022-02-08 07:09:29 |
| tm225694d1_8k.htm | 27051 | 2022-02-08 07:09:29 |
| tm225694d1_8k_htm.xml | 3495 | 2022-02-08 07:09:29 |
| tm225694d1_ex99-1.htm | 313193 | 2022-02-08 07:09:29 |
 tm225694d1_ex99-1img001.jpg | 4435 | 2022-02-08 07:09:29 |
 tm225694d1_ex99-1sp2img001.jpg | 4569 | 2022-02-08 07:09:29 |
| virt-20220208.xsd | 3024 | 2022-02-08 07:09:29 |
| virt-20220208_lab.xml | 34476 | 2022-02-08 07:09:29 |
| virt-20220208_pre.xml | 22589 | 2022-02-08 07:09:29 |