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| 0000950170-23-017424.txt | 2023-05-04 06:17:01 | |
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| bv-20230331.htm | 3209348 | 2023-05-04 06:17:01 |
| bv-20230331.xsd | 48556 | 2023-05-04 06:17:01 |
| bv-20230331_cal.xml | 52424 | 2023-05-04 06:17:01 |
| bv-20230331_def.xml | 203107 | 2023-05-04 06:17:01 |
| bv-20230331_htm.xml | 2511682 | 2023-05-04 06:17:01 |
| bv-20230331_lab.xml | 429870 | 2023-05-04 06:17:01 |
| bv-20230331_pre.xml | 352630 | 2023-05-04 06:17:01 |
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| bv-ex31_2.htm | 17623 | 2023-05-04 06:17:01 |
| bv-ex32_1.htm | 7673 | 2023-05-04 06:17:01 |
| bv-ex32_2.htm | 7506 | 2023-05-04 06:17:01 |
| FilingSummary.xml | 40512 | 2023-05-04 06:17:01 |
| Financial_Report.xlsx | 91413 | 2023-05-04 06:17:01 |
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| report.css | 2767 | 2023-05-04 06:17:01 |
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