Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-014437-index-headers.html | 2022-08-04 06:20:59 | |
| 0000950170-22-014437-index.html | 2022-08-04 06:20:59 | |
| 0000950170-22-014437.txt | 2022-08-04 06:20:59 | |
 0000950170-22-014437-xbrl.zip | 46137 | 2022-08-04 06:20:59 |
| bv-20220804.htm | 67249 | 2022-08-04 06:20:59 |
| bv-20220804.xsd | 2426 | 2022-08-04 06:20:59 |
| bv-20220804_htm.xml | 4506 | 2022-08-04 06:20:59 |
| bv-20220804_lab.xml | 13518 | 2022-08-04 06:20:59 |
| bv-20220804_pre.xml | 10511 | 2022-08-04 06:20:59 |
| bv-ex99_1.htm | 1243658 | 2022-08-04 06:20:59 |
| FilingSummary.xml | 1653 | 2022-08-04 06:20:59 |
| Financial_Report.xlsx | 5674 | 2022-08-04 06:20:59 |
 img77028497_0.jpg | 6740 | 2022-08-04 06:20:59 |
 img77028497_1.jpg | 52288 | 2022-08-04 06:20:59 |
 img77028497_2.jpg | 54079 | 2022-08-04 06:20:59 |
| MetaLinks.json | 16498 | 2022-08-04 06:20:59 |
| R1.htm | 38521 | 2022-08-04 06:20:59 |
| report.css | 2767 | 2022-08-04 06:20:59 |
| Show.js | 1085 | 2022-08-04 06:20:59 |