Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-25-000053-index-headers.html | 2025-05-08 16:17:37 | |
| 0000059255-25-000053-index.html | 2025-05-08 16:17:37 | |
| 0000059255-25-000053.txt | 2025-05-08 16:17:37 | |
 0000059255-25-000053-xbrl.zip | 19088 | 2025-05-08 16:17:37 |
| FilingSummary.xml | 1703 | 2025-05-08 16:17:37 |
| Financial_Report.xlsx | 5716 | 2025-05-08 16:17:37 |
| MetaLinks.json | 17045 | 2025-05-08 16:17:37 |
| R1.htm | 39602 | 2025-05-08 16:17:37 |
| report.css | 2767 | 2025-05-08 16:17:37 |
| Show.js | 1085 | 2025-05-08 16:17:37 |
| vhl-20250508.xsd | 3254 | 2025-05-08 16:17:37 |
| vhl-20250508x8k.htm | 49356 | 2025-05-08 16:17:37 |
| vhl-20250508x8k_htm.xml | 4778 | 2025-05-08 16:17:37 |
| vhl-20250508xex99d1.htm | 137596 | 2025-05-08 16:17:37 |
 vhl-20250508xex99d1001.jpg | 7147 | 2025-05-08 16:17:37 |
| vhl-20250508_lab.xml | 15925 | 2025-05-08 16:17:37 |
| vhl-20250508_pre.xml | 10316 | 2025-05-08 16:17:37 |