Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-23-000048-index-headers.html | 2023-01-03 08:00:22 | |
| 0001493152-23-000048-index.html | 2023-01-03 08:00:22 | |
| 0001493152-23-000048.txt | 2023-01-03 08:00:22 | |
 0001493152-23-000048-xbrl.zip | 13513 | 2023-01-03 08:00:22 |
| ex99-1.htm | 9827 | 2023-01-03 08:00:22 |
 ex99-1_001.jpg | 12725 | 2023-01-03 08:00:22 |
| FilingSummary.xml | 1610 | 2023-01-03 08:00:22 |
| Financial_Report.xlsx | 5776 | 2023-01-03 08:00:22 |
| form8-k.htm | 37821 | 2023-01-03 08:00:22 |
| form8-k_htm.xml | 3750 | 2023-01-03 08:00:22 |
| MetaLinks.json | 39692 | 2023-01-03 08:00:22 |
| R1.htm | 41453 | 2023-01-03 08:00:22 |
| report.css | 2767 | 2023-01-03 08:00:22 |
| Show.js | 1085 | 2023-01-03 08:00:22 |
| vtsi-20221231.xsd | 3221 | 2023-01-03 08:00:22 |
| vtsi-20221231_lab.xml | 34916 | 2023-01-03 08:00:22 |
| vtsi-20221231_pre.xml | 22785 | 2023-01-03 08:00:22 |