Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-000815-index-headers.html | 2022-01-12 16:51:41 | |
| 0001628280-22-000815-index.html | 2022-01-12 16:51:41 | |
| 0001628280-22-000815.txt | 2022-01-12 16:51:41 | |
 0001628280-22-000815-xbrl.zip | 16306 | 2022-01-12 16:51:41 |
| bvs-20220111.htm | 40881 | 2022-01-12 16:51:41 |
| bvs-20220111.xsd | 1902 | 2022-01-12 16:51:41 |
| bvs-20220111_htm.xml | 11963 | 2022-01-12 16:51:41 |
| bvs-20220111_lab.xml | 25848 | 2022-01-12 16:51:41 |
| bvs-20220111_pre.xml | 13582 | 2022-01-12 16:51:41 |
| exhibit991preliminaryresul.htm | 17940 | 2022-01-12 16:51:41 |
| FilingSummary.xml | 1638 | 2022-01-12 16:51:41 |
| Financial_Report.xlsx | 5709 | 2022-01-12 16:51:41 |
 imagea.jpg | 21590 | 2022-01-12 16:51:41 |
| MetaLinks.json | 17802 | 2022-01-12 16:51:41 |
| R1.htm | 41886 | 2022-01-12 16:51:41 |
| report.css | 2767 | 2022-01-12 16:51:41 |
| Show.js | 1085 | 2022-01-12 16:51:41 |