Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-064337-index-headers.html | 2023-11-16 06:18:22 | |
| 0000950170-23-064337-index.html | 2023-11-16 06:18:22 | |
| 0000950170-23-064337.txt | 2023-11-16 06:18:22 | |
 0000950170-23-064337-xbrl.zip | 44386 | 2023-11-16 06:18:22 |
| bv-20231116.htm | 57862 | 2023-11-16 06:18:22 |
| bv-20231116.xsd | 2400 | 2023-11-16 06:18:22 |
| bv-20231116_htm.xml | 4504 | 2023-11-16 06:18:22 |
| bv-20231116_lab.xml | 13428 | 2023-11-16 06:18:22 |
| bv-20231116_pre.xml | 10473 | 2023-11-16 06:18:22 |
| bv-ex99_1.htm | 1128277 | 2023-11-16 06:18:22 |
| FilingSummary.xml | 1653 | 2023-11-16 06:18:22 |
| Financial_Report.xlsx | 5680 | 2023-11-16 06:18:22 |
 img77028497_0.jpg | 6740 | 2023-11-16 06:18:22 |
 img77028497_1.jpg | 258861 | 2023-11-16 06:18:22 |
 img77028497_2.jpg | 49949 | 2023-11-16 06:18:22 |
| MetaLinks.json | 17010 | 2023-11-16 06:18:22 |
| R1.htm | 38076 | 2023-11-16 06:18:22 |
| report.css | 2767 | 2023-11-16 06:18:22 |
| Show.js | 1085 | 2023-11-16 06:18:22 |