Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-25-000067-index-headers.html | 2025-07-17 16:37:08 | |
| 0000059255-25-000067-index.html | 2025-07-17 16:37:08 | |
| 0000059255-25-000067.txt | 2025-07-17 16:37:08 | |
 0000059255-25-000067-xbrl.zip | 9949 | 2025-07-17 16:37:08 |
| FilingSummary.xml | 1703 | 2025-07-17 16:37:08 |
| MetaLinks.json | 17049 | 2025-07-17 16:37:08 |
| R1.htm | 39602 | 2025-07-17 16:37:08 |
| report.css | 2766 | 2025-07-17 16:37:08 |
| Show.js | 1084 | 2025-07-17 16:37:08 |
| vhl-20250717.xsd | 3255 | 2025-07-17 16:37:08 |
| vhl-20250717x8k.htm | 45189 | 2025-07-17 16:37:08 |
| vhl-20250717x8k_htm.xml | 4826 | 2025-07-17 16:37:08 |
| vhl-20250717_lab.xml | 15926 | 2025-07-17 16:37:08 |
| vhl-20250717_pre.xml | 10317 | 2025-07-17 16:37:08 |