Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-24-000058-index-headers.html | 2024-11-07 16:18:40 | |
| 0000059255-24-000058-index.html | 2024-11-07 16:18:40 | |
| 0000059255-24-000058.txt | 2024-11-07 16:18:40 | |
 0000059255-24-000058-xbrl.zip | 23312 | 2024-11-07 16:18:40 |
| FilingSummary.xml | 1703 | 2024-11-07 16:18:40 |
| Financial_Report.xlsx | 5699 | 2024-11-07 16:18:40 |
| MetaLinks.json | 17049 | 2024-11-07 16:18:40 |
| R1.htm | 39619 | 2024-11-07 16:18:40 |
| report.css | 2767 | 2024-11-07 16:18:40 |
| Show.js | 1085 | 2024-11-07 16:18:40 |
| vhl-20241107.xsd | 3256 | 2024-11-07 16:18:40 |
| vhl-20241107x8k.htm | 53746 | 2024-11-07 16:18:40 |
| vhl-20241107x8k_htm.xml | 4826 | 2024-11-07 16:18:40 |
| vhl-20241107xex99d1.htm | 222466 | 2024-11-07 16:18:40 |
 vhl-20241107xex99d1001.jpg | 7147 | 2024-11-07 16:18:40 |
| vhl-20241107xex99d2.htm | 4973 | 2024-11-07 16:18:40 |
 vhl-20241107xex99d2001.jpg | 6069 | 2024-11-07 16:18:40 |
| vhl-20241107_lab.xml | 15927 | 2024-11-07 16:18:40 |
| vhl-20241107_pre.xml | 10318 | 2024-11-07 16:18:40 |