Parent Directory| Name | Size | Last Modified |
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| 0001493152-22-022212-index.html | 2022-08-12 09:21:53 | |
| 0001493152-22-022212.txt | 2022-08-12 09:21:53 | |
 0001493152-22-022212-xbrl.zip | 21991 | 2022-08-12 09:21:53 |
| ex31-1.htm | 11568 | 2022-08-12 09:21:53 |
| ex31-2.htm | 11808 | 2022-08-12 09:21:53 |
| ex31-3.htm | 11636 | 2022-08-12 09:21:53 |
| ex32-1.htm | 8471 | 2022-08-12 09:21:53 |
| FilingSummary.xml | 1742 | 2022-08-12 09:21:53 |
| Financial_Report.xlsx | 6441 | 2022-08-12 09:21:53 |
| form10-qa.htm | 61944 | 2022-08-12 09:21:53 |
| form10-qa_htm.xml | 6110 | 2022-08-12 09:21:53 |
| MetaLinks.json | 40559 | 2022-08-12 09:21:53 |
| R1.htm | 58965 | 2022-08-12 09:21:53 |
| report.css | 2767 | 2022-08-12 09:21:53 |
| Show.js | 1085 | 2022-08-12 09:21:53 |
| vtsi-20220331.xsd | 3191 | 2022-08-12 09:21:53 |
| vtsi-20220331_def.xml | 26186 | 2022-08-12 09:21:53 |
| vtsi-20220331_lab.xml | 35952 | 2022-08-12 09:21:53 |
| vtsi-20220331_pre.xml | 24844 | 2022-08-12 09:21:53 |