Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-037537-index-headers.html | 2023-08-03 06:18:35 | |
| 0000950170-23-037537-index.html | 2023-08-03 06:18:35 | |
| 0000950170-23-037537.txt | 2023-08-03 06:18:35 | |
 0000950170-23-037537-xbrl.zip | 45124 | 2023-08-03 06:18:35 |
| bv-20230803.htm | 68265 | 2023-08-03 06:18:35 |
| bv-20230803.xsd | 2400 | 2023-08-03 06:18:35 |
| bv-20230803_htm.xml | 4504 | 2023-08-03 06:18:35 |
| bv-20230803_lab.xml | 13608 | 2023-08-03 06:18:35 |
| bv-20230803_pre.xml | 10478 | 2023-08-03 06:18:35 |
| bv-ex99_1.htm | 1252923 | 2023-08-03 06:18:35 |
| FilingSummary.xml | 1651 | 2023-08-03 06:18:35 |
| Financial_Report.xlsx | 5674 | 2023-08-03 06:18:35 |
 img77028497_0.jpg | 6740 | 2023-08-03 06:18:35 |
 img77028497_1.jpg | 242276 | 2023-08-03 06:18:35 |
 img77028497_2.jpg | 269039 | 2023-08-03 06:18:35 |
| MetaLinks.json | 16994 | 2023-08-03 06:18:35 |
| R1.htm | 38069 | 2023-08-03 06:18:35 |
| report.css | 2767 | 2023-08-03 06:18:35 |
| Show.js | 1085 | 2023-08-03 06:18:35 |