Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-021529-index-headers.html | 2021-08-30 09:53:57 | |
| 0001493152-21-021529-index.html | 2021-08-30 09:53:57 | |
| 0001493152-21-021529.txt | 2021-08-30 09:53:57 | |
 0001493152-21-021529-xbrl.zip | 11704 | 2021-08-30 09:53:57 |
| FilingSummary.xml | 1571 | 2021-08-30 09:53:57 |
| Financial_Report.xlsx | 5748 | 2021-08-30 09:53:57 |
| form8-k.htm | 36852 | 2021-08-30 09:53:57 |
| form8-k_htm.xml | 3743 | 2021-08-30 09:53:57 |
| MetaLinks.json | 38289 | 2021-08-30 09:53:57 |
| R1.htm | 41971 | 2021-08-30 09:53:57 |
| report.css | 2766 | 2021-08-30 09:53:57 |
| Show.js | 1084 | 2021-08-30 09:53:57 |
| vtsi-20210828.xsd | 3018 | 2021-08-30 09:53:57 |
| vtsi-20210828_lab.xml | 34915 | 2021-08-30 09:53:57 |
| vtsi-20210828_pre.xml | 22784 | 2021-08-30 09:53:57 |