Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-021479-index-headers.html | 2021-08-27 17:25:19 | |
| 0001493152-21-021479-index.html | 2021-08-27 17:25:19 | |
| 0001493152-21-021479.txt | 2021-08-27 17:25:19 | |
 0001493152-21-021479-xbrl.zip | 30204 | 2021-08-27 17:25:19 |
| ex10-1.htm | 105817 | 2021-08-27 17:25:19 |
| ex10-2.htm | 107918 | 2021-08-27 17:25:19 |
| FilingSummary.xml | 1627 | 2021-08-27 17:25:19 |
| Financial_Report.xlsx | 5749 | 2021-08-27 17:25:19 |
| form8-k.htm | 42880 | 2021-08-27 17:25:19 |
| form8-k_htm.xml | 3743 | 2021-08-27 17:25:19 |
| MetaLinks.json | 38289 | 2021-08-27 17:25:19 |
| R1.htm | 41971 | 2021-08-27 17:25:19 |
| report.css | 2767 | 2021-08-27 17:25:19 |
| Show.js | 1085 | 2021-08-27 17:25:19 |
| vtsi-20210826.xsd | 3018 | 2021-08-27 17:25:19 |
| vtsi-20210826_lab.xml | 34915 | 2021-08-27 17:25:19 |
| vtsi-20210826_pre.xml | 22784 | 2021-08-27 17:25:19 |