Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-149573-index-headers.html | 2021-12-14 16:31:37 | |
| 0001104659-21-149573-index.html | 2021-12-14 16:31:37 | |
| 0001104659-21-149573.txt | 2021-12-14 16:31:37 | |
 0001104659-21-149573-xbrl.zip | 21130 | 2021-12-14 16:31:37 |
| bv-20211209.xsd | 3025 | 2021-12-14 16:31:37 |
| bv-20211209_lab.xml | 34240 | 2021-12-14 16:31:37 |
| bv-20211209_pre.xml | 22361 | 2021-12-14 16:31:37 |
| FilingSummary.xml | 1669 | 2021-12-14 16:31:37 |
| Financial_Report.xlsx | 5654 | 2021-12-14 16:31:37 |
| MetaLinks.json | 37879 | 2021-12-14 16:31:37 |
| R1.htm | 38566 | 2021-12-14 16:31:37 |
| report.css | 2767 | 2021-12-14 16:31:37 |
| Show.js | 1085 | 2021-12-14 16:31:37 |
| tm2135261d1_8k.htm | 28553 | 2021-12-14 16:31:37 |
| tm2135261d1_8k_htm.xml | 3482 | 2021-12-14 16:31:37 |
| tm2135261d1_ex1-1.htm | 46291 | 2021-12-14 16:31:37 |
| tm2135261d1_ex99-1.htm | 8063 | 2021-12-14 16:31:37 |
 tm2135261dex99-1img001.jpg | 3977 | 2021-12-14 16:31:37 |