Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-25-000074-index-headers.html | 2025-09-15 16:30:40 | |
| 0000059255-25-000074-index.html | 2025-09-15 16:30:40 | |
| 0000059255-25-000074.txt | 2025-09-15 16:30:40 | |
 0000059255-25-000074-xbrl.zip | 10055 | 2025-09-15 16:30:40 |
| FilingSummary.xml | 1703 | 2025-09-15 16:30:40 |
| MetaLinks.json | 17059 | 2025-09-15 16:30:40 |
| R1.htm | 39613 | 2025-09-15 16:30:40 |
| report.css | 2767 | 2025-09-15 16:30:40 |
| Show.js | 1084 | 2025-09-15 16:30:40 |
| vhl-20250915.xsd | 3649 | 2025-09-15 16:30:40 |
| vhl-20250915x8k.htm | 46767 | 2025-09-15 16:30:40 |
| vhl-20250915x8k_htm.xml | 4826 | 2025-09-15 16:30:40 |
| vhl-20250915xex10d1.htm | 31580 | 2025-09-15 16:30:40 |
| vhl-20250915xex10d2.htm | 22748 | 2025-09-15 16:30:40 |
| vhl-20250915_lab.xml | 15936 | 2025-09-15 16:30:40 |
| vhl-20250915_pre.xml | 10317 | 2025-09-15 16:30:40 |