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| 0000950170-24-088585-index.html | 2024-07-31 16:14:26 | |
| 0000950170-24-088585.txt | 2024-07-31 16:14:26 | |
 0000950170-24-088585-xbrl.zip | 232497 | 2024-07-31 16:14:26 |
| bv-20240630.htm | 2335227 | 2024-07-31 16:14:26 |
| bv-20240630.xsd | 1239635 | 2024-07-31 16:14:26 |
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| bv-ex31_2.htm | 14657 | 2024-07-31 16:14:26 |
| bv-ex32_1.htm | 6434 | 2024-07-31 16:14:26 |
| bv-ex32_2.htm | 6228 | 2024-07-31 16:14:26 |
| FilingSummary.xml | 40166 | 2024-07-31 16:14:26 |
| Financial_Report.xlsx | 97683 | 2024-07-31 16:14:26 |
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| R1.htm | 53066 | 2024-07-31 16:14:26 |
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| report.css | 2767 | 2024-07-31 16:14:26 |
| Show.js | 1085 | 2024-07-31 16:14:26 |