Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-24-000046-index-headers.html | 2024-05-23 16:17:50 | |
| 0000059255-24-000046-index.html | 2024-05-23 16:17:50 | |
| 0000059255-24-000046.txt | 2024-05-23 16:17:50 | |
 0000059255-24-000046-xbrl.zip | 12298 | 2024-05-23 16:17:50 |
| FilingSummary.xml | 1925 | 2024-05-23 16:17:50 |
| Financial_Report.xlsx | 5695 | 2024-05-23 16:17:50 |
| MetaLinks.json | 17022 | 2024-05-23 16:17:50 |
| R1.htm | 39622 | 2024-05-23 16:17:50 |
| report.css | 2767 | 2024-05-23 16:17:50 |
| Show.js | 1085 | 2024-05-23 16:17:50 |
| vhl-20240523.xsd | 3396 | 2024-05-23 16:17:50 |
| vhl-20240523x8k.htm | 48414 | 2024-05-23 16:17:50 |
| vhl-20240523x8k_htm.xml | 4826 | 2024-05-23 16:17:50 |
| vhl-20240523xex99d1.htm | 7206 | 2024-05-23 16:17:50 |
 vhl-20240523xex99d1001.jpg | 6069 | 2024-05-23 16:17:50 |
| vhl-20240523_lab.xml | 15926 | 2024-05-23 16:17:50 |
| vhl-20240523_pre.xml | 10317 | 2024-05-23 16:17:50 |