Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-025764-index-headers.html | 2021-02-19 16:15:45 | |
| 0001104659-21-025764-index.html | 2021-02-19 16:15:45 | |
| 0001104659-21-025764.txt | 2021-02-19 16:15:45 | |
 0001104659-21-025764-xbrl.zip | 144421 | 2021-02-19 16:15:45 |
| bv-20210219.xsd | 3187 | 2021-02-19 16:15:45 |
| bv-20210219_lab.xml | 34592 | 2021-02-19 16:15:45 |
| bv-20210219_pre.xml | 22713 | 2021-02-19 16:15:45 |
| FilingSummary.xml | 1632 | 2021-02-19 16:15:45 |
| Financial_Report.xlsx | 5326 | 2021-02-19 16:15:45 |
| MetaLinks.json | 38750 | 2021-02-19 16:15:45 |
| R1.htm | 33796 | 2021-02-19 16:15:45 |
| report.css | 2767 | 2021-02-19 16:15:45 |
| Show.js | 1084 | 2021-02-19 16:15:45 |
| tm217143d1_8k.htm | 25823 | 2021-02-19 16:15:45 |
| tm217143d1_8k_htm.xml | 3167 | 2021-02-19 16:15:45 |
| tm217143d1_ex10-1.htm | 1033227 | 2021-02-19 16:15:45 |