Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-24-000009-index-headers.html | 2024-02-29 16:17:01 | |
| 0000059255-24-000009-index.html | 2024-02-29 16:17:01 | |
| 0000059255-24-000009.txt | 2024-02-29 16:17:01 | |
 0000059255-24-000009-xbrl.zip | 10987 | 2024-02-29 16:17:01 |
| FilingSummary.xml | 1705 | 2024-02-29 16:17:01 |
| Financial_Report.xlsx | 5696 | 2024-02-29 16:17:01 |
| MetaLinks.json | 17022 | 2024-02-29 16:17:01 |
| R1.htm | 39621 | 2024-02-29 16:17:01 |
| report.css | 2767 | 2024-02-29 16:17:01 |
| Show.js | 1085 | 2024-02-29 16:17:01 |
| vhl-20240229.xsd | 3396 | 2024-02-29 16:17:01 |
| vhl-20240229x8k.htm | 43285 | 2024-02-29 16:17:01 |
| vhl-20240229x8k_htm.xml | 4826 | 2024-02-29 16:17:01 |
| vhl-20240229xex99d1.htm | 4988 | 2024-02-29 16:17:01 |
 vhl-20240229xex99d1001.jpg | 6069 | 2024-02-29 16:17:01 |
| vhl-20240229_lab.xml | 15926 | 2024-02-29 16:17:01 |
| vhl-20240229_pre.xml | 10317 | 2024-02-29 16:17:01 |