Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-25-000077-index-headers.html | 2025-11-06 16:31:19 | |
| 0000059255-25-000077-index.html | 2025-11-06 16:31:19 | |
| 0000059255-25-000077.txt | 2025-11-06 16:31:19 | |
 0000059255-25-000077-xbrl.zip | 23333 | 2025-11-06 16:31:19 |
| FilingSummary.xml | 1703 | 2025-11-06 16:31:19 |
| MetaLinks.json | 17031 | 2025-11-06 16:31:19 |
| R1.htm | 39615 | 2025-11-06 16:31:19 |
| report.css | 2767 | 2025-11-06 16:31:19 |
| Show.js | 1085 | 2025-11-06 16:31:19 |
| vhl-20251106.xsd | 2667 | 2025-11-06 16:31:19 |
| vhl-20251106x8k.htm | 54718 | 2025-11-06 16:31:19 |
| vhl-20251106x8k_htm.xml | 4826 | 2025-11-06 16:31:19 |
| vhl-20251106xex99d1.htm | 223630 | 2025-11-06 16:31:19 |
 vhl-20251106xex99d1001.jpg | 7147 | 2025-11-06 16:31:19 |
| vhl-20251106xex99d2.htm | 4870 | 2025-11-06 16:31:19 |
 vhl-20251106xex99d2001.jpg | 6069 | 2025-11-06 16:31:19 |
| vhl-20251106_lab.xml | 15933 | 2025-11-06 16:31:19 |
| vhl-20251106_pre.xml | 10314 | 2025-11-06 16:31:19 |