Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-23-000060-index-headers.html | 2023-10-31 16:19:44 | |
| 0000059255-23-000060-index.html | 2023-10-31 16:19:44 | |
| 0000059255-23-000060.txt | 2023-10-31 16:19:44 | |
 0000059255-23-000060-xbrl.zip | 8069 | 2023-10-31 16:19:44 |
| FilingSummary.xml | 2135 | 2023-10-31 16:19:44 |
| Financial_Report.xlsx | 6672 | 2023-10-31 16:19:44 |
| MetaLinks.json | 96938 | 2023-10-31 16:19:44 |
| R1.htm | 39603 | 2023-10-31 16:19:44 |
| R2.htm | 22668 | 2023-10-31 16:19:44 |
| report.css | 2767 | 2023-10-31 16:19:44 |
| Show.js | 1084 | 2023-10-31 16:19:44 |
| vhl-20231025.xsd | 3241 | 2023-10-31 16:19:44 |
| vhl-20231025x8k.htm | 35310 | 2023-10-31 16:19:44 |
| vhl-20231025x8k_htm.xml | 4874 | 2023-10-31 16:19:44 |
| vhl-20231025_lab.xml | 635 | 2023-10-31 16:19:44 |
| vhl-20231025_pre.xml | 10666 | 2023-10-31 16:19:44 |