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| 0000950170-23-037535-index.html | 2023-08-03 06:17:25 | |
| 0000950170-23-037535.txt | 2023-08-03 06:17:25 | |
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| bv-20230630.htm | 3302027 | 2023-08-03 06:17:25 |
| bv-20230630.xsd | 47250 | 2023-08-03 06:17:25 |
| bv-20230630_cal.xml | 53632 | 2023-08-03 06:17:25 |
| bv-20230630_def.xml | 196548 | 2023-08-03 06:17:25 |
| bv-20230630_htm.xml | 2555790 | 2023-08-03 06:17:25 |
| bv-20230630_lab.xml | 425103 | 2023-08-03 06:17:25 |
| bv-20230630_pre.xml | 346307 | 2023-08-03 06:17:25 |
| bv-ex10_3.htm | 65117 | 2023-08-03 06:17:25 |
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| bv-ex31_1.htm | 17919 | 2023-08-03 06:17:25 |
| bv-ex31_2.htm | 17091 | 2023-08-03 06:17:25 |
| bv-ex32_1.htm | 7964 | 2023-08-03 06:17:25 |
| bv-ex32_2.htm | 7243 | 2023-08-03 06:17:25 |
| FilingSummary.xml | 39373 | 2023-08-03 06:17:25 |
| Financial_Report.xlsx | 91502 | 2023-08-03 06:17:25 |
| MetaLinks.json | 765918 | 2023-08-03 06:17:25 |
| R1.htm | 53067 | 2023-08-03 06:17:25 |
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| report.css | 2767 | 2023-08-03 06:17:25 |
| Show.js | 1085 | 2023-08-03 06:17:25 |