Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-023966-index-headers.html | 2021-11-22 16:18:10 | |
| 0001628280-21-023966-index.html | 2021-11-22 16:18:10 | |
| 0001628280-21-023966.txt | 2021-11-22 16:18:10 | |
 0001628280-21-023966-xbrl.zip | 48464 | 2021-11-22 16:18:10 |
| bvs-20211117.htm | 46821 | 2021-11-22 16:18:10 |
| bvs-20211117.xsd | 1902 | 2021-11-22 16:18:10 |
| bvs-20211117_htm.xml | 11444 | 2021-11-22 16:18:10 |
| bvs-20211117_lab.xml | 25848 | 2021-11-22 16:18:10 |
| bvs-20211117_pre.xml | 13582 | 2021-11-22 16:18:10 |
| exhibit101.htm | 215560 | 2021-11-22 16:18:10 |
| FilingSummary.xml | 1621 | 2021-11-22 16:18:10 |
| Financial_Report.xlsx | 5710 | 2021-11-22 16:18:10 |
 image1a.jpg | 278238 | 2021-11-22 16:18:10 |
 imagea.jpg | 48948 | 2021-11-22 16:18:10 |
| MetaLinks.json | 17801 | 2021-11-22 16:18:10 |
| R1.htm | 41886 | 2021-11-22 16:18:10 |
| report.css | 2767 | 2021-11-22 16:18:10 |
| Show.js | 1085 | 2021-11-22 16:18:10 |