Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-025339-index-headers.html | 2022-11-17 06:18:47 | |
| 0000950170-22-025339-index.html | 2022-11-17 06:18:47 | |
| 0000950170-22-025339.txt | 2022-11-17 06:18:47 | |
 0000950170-22-025339-xbrl.zip | 45585 | 2022-11-17 06:18:47 |
| bv-20221117.htm | 70780 | 2022-11-17 06:18:47 |
| bv-20221117.xsd | 2400 | 2022-11-17 06:18:47 |
| bv-20221117_htm.xml | 4504 | 2022-11-17 06:18:47 |
| bv-20221117_lab.xml | 13428 | 2022-11-17 06:18:47 |
| bv-20221117_pre.xml | 10419 | 2022-11-17 06:18:47 |
| bv-ex99_1.htm | 1293242 | 2022-11-17 06:18:47 |
| FilingSummary.xml | 1653 | 2022-11-17 06:18:47 |
| Financial_Report.xlsx | 5680 | 2022-11-17 06:18:47 |
 img77028497_0.jpg | 6740 | 2022-11-17 06:18:47 |
 img77028497_1.jpg | 50455 | 2022-11-17 06:18:47 |
 img77028497_2.jpg | 49228 | 2022-11-17 06:18:47 |
| MetaLinks.json | 16418 | 2022-11-17 06:18:47 |
| R1.htm | 38078 | 2022-11-17 06:18:47 |
| report.css | 2767 | 2022-11-17 06:18:47 |
| Show.js | 1085 | 2022-11-17 06:18:47 |