Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-24-013181-index-headers.html | 2024-04-04 16:05:17 | |
| 0001493152-24-013181-index.html | 2024-04-04 16:05:17 | |
| 0001493152-24-013181.txt | 2024-04-04 16:05:17 | |
 0001493152-24-013181-xbrl.zip | 17304 | 2024-04-04 16:05:17 |
| ex31-1.htm | 5166 | 2024-04-04 16:05:17 |
| ex31-2.htm | 5053 | 2024-04-04 16:05:17 |
| FilingSummary.xml | 1646 | 2024-04-04 16:05:17 |
| Financial_Report.xlsx | 7033 | 2024-04-04 16:05:17 |
| form10-ka.htm | 94575 | 2024-04-04 16:05:17 |
| form10-ka_htm.xml | 7643 | 2024-04-04 16:05:17 |
| MetaLinks.json | 41625 | 2024-04-04 16:05:17 |
| R1.htm | 74245 | 2024-04-04 16:05:17 |
| report.css | 2767 | 2024-04-04 16:05:17 |
| Show.js | 1085 | 2024-04-04 16:05:17 |
| vtsi-20231231.xsd | 3009 | 2024-04-04 16:05:17 |
| vtsi-20231231_lab.xml | 36884 | 2024-04-04 16:05:17 |
| vtsi-20231231_pre.xml | 24142 | 2024-04-04 16:05:17 |