Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-22-014405-index-headers.html | 2022-05-19 08:00:28 | |
| 0001493152-22-014405-index.html | 2022-05-19 08:00:28 | |
| 0001493152-22-014405.txt | 2022-05-19 08:00:28 | |
 0001493152-22-014405-xbrl.zip | 14021 | 2022-05-19 08:00:28 |
| ex99-1.htm | 11326 | 2022-05-19 08:00:28 |
 ex99-1_001.jpg | 6849 | 2022-05-19 08:00:28 |
| FilingSummary.xml | 1612 | 2022-05-19 08:00:28 |
| Financial_Report.xlsx | 5747 | 2022-05-19 08:00:28 |
| form8-k.htm | 40143 | 2022-05-19 08:00:28 |
| form8-k_htm.xml | 3745 | 2022-05-19 08:00:28 |
| MetaLinks.json | 38412 | 2022-05-19 08:00:28 |
| R1.htm | 42105 | 2022-05-19 08:00:28 |
| report.css | 2767 | 2022-05-19 08:00:28 |
| Show.js | 1085 | 2022-05-19 08:00:28 |
| vtsi-20220519.xsd | 3027 | 2022-05-19 08:00:28 |
| vtsi-20220519_lab.xml | 35156 | 2022-05-19 08:00:28 |
| vtsi-20220519_pre.xml | 23025 | 2022-05-19 08:00:28 |