Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-23-027981-index-headers.html | 2023-08-08 08:42:03 | |
| 0001628280-23-027981-index.html | 2023-08-08 08:42:03 | |
| 0001628280-23-027981.txt | 2023-08-08 08:42:03 | |
 0001628280-23-027981-xbrl.zip | 341758 | 2023-08-08 08:42:03 |
| bvs-20230701.htm | 1812708 | 2023-08-08 08:42:03 |
| bvs-20230701.xsd | 70978 | 2023-08-08 08:42:03 |
| bvs-20230701_cal.xml | 125978 | 2023-08-08 08:42:03 |
| bvs-20230701_def.xml | 502922 | 2023-08-08 08:42:03 |
| bvs-20230701_htm.xml | 1420810 | 2023-08-08 08:42:03 |
| bvs-20230701_lab.xml | 1006151 | 2023-08-08 08:42:03 |
| bvs-20230701_pre.xml | 705312 | 2023-08-08 08:42:03 |
| exhibit311-q22023.htm | 9803 | 2023-08-08 08:42:03 |
| exhibit312-q22023.htm | 9924 | 2023-08-08 08:42:03 |
| exhibit32-q22023.htm | 8073 | 2023-08-08 08:42:03 |
| FilingSummary.xml | 45968 | 2023-08-08 08:42:03 |
| Financial_Report.xlsx | 135184 | 2023-08-08 08:42:03 |
| MetaLinks.json | 1110171 | 2023-08-08 08:42:03 |
| R1.htm | 58763 | 2023-08-08 08:42:03 |
| R10.htm | 42866 | 2023-08-08 08:42:03 |
| R11.htm | 24510 | 2023-08-08 08:42:03 |
| R12.htm | 35753 | 2023-08-08 08:42:03 |
| R13.htm | 34741 | 2023-08-08 08:42:03 |
| R14.htm | 27775 | 2023-08-08 08:42:03 |
| R15.htm | 50601 | 2023-08-08 08:42:03 |
| R16.htm | 18627 | 2023-08-08 08:42:03 |
| R17.htm | 10727 | 2023-08-08 08:42:03 |
| R18.htm | 78640 | 2023-08-08 08:42:03 |
| R19.htm | 32639 | 2023-08-08 08:42:03 |
| R2.htm | 151317 | 2023-08-08 08:42:03 |
| R20.htm | 37620 | 2023-08-08 08:42:03 |
| R21.htm | 56874 | 2023-08-08 08:42:03 |
| R22.htm | 15395 | 2023-08-08 08:42:03 |
| R23.htm | 8480 | 2023-08-08 08:42:03 |
| R24.htm | 11088 | 2023-08-08 08:42:03 |
| R25.htm | 28746 | 2023-08-08 08:42:03 |
| R26.htm | 87474 | 2023-08-08 08:42:03 |
| R27.htm | 30474 | 2023-08-08 08:42:03 |
| R28.htm | 16524 | 2023-08-08 08:42:03 |
| R29.htm | 31065 | 2023-08-08 08:42:03 |
| R3.htm | 4859 | 2023-08-08 08:42:03 |
| R30.htm | 29983 | 2023-08-08 08:42:03 |
| R31.htm | 14734 | 2023-08-08 08:42:03 |
| R32.htm | 51989 | 2023-08-08 08:42:03 |
| R33.htm | 15499 | 2023-08-08 08:42:03 |
| R34.htm | 54749 | 2023-08-08 08:42:03 |
| R35.htm | 29443 | 2023-08-08 08:42:03 |
| R36.htm | 33350 | 2023-08-08 08:42:03 |
| R37.htm | 59033 | 2023-08-08 08:42:03 |
| R38.htm | 10323 | 2023-08-08 08:42:03 |
| R39.htm | 59904 | 2023-08-08 08:42:03 |
| R4.htm | 139377 | 2023-08-08 08:42:03 |
| R40.htm | 15232 | 2023-08-08 08:42:03 |
| R41.htm | 9135 | 2023-08-08 08:42:03 |
| R42.htm | 14779 | 2023-08-08 08:42:03 |
| R43.htm | 19371 | 2023-08-08 08:42:03 |
| R44.htm | 12811 | 2023-08-08 08:42:03 |
| R45.htm | 31568 | 2023-08-08 08:42:03 |
| R46.htm | 13049 | 2023-08-08 08:42:03 |
| R47.htm | 21571 | 2023-08-08 08:42:03 |
| R48.htm | 19699 | 2023-08-08 08:42:03 |
| R49.htm | 166512 | 2023-08-08 08:42:03 |
| R5.htm | 21590 | 2023-08-08 08:42:03 |
| R50.htm | 32685 | 2023-08-08 08:42:03 |
| R51.htm | 39967 | 2023-08-08 08:42:03 |
| R52.htm | 13375 | 2023-08-08 08:42:03 |
| R53.htm | 27336 | 2023-08-08 08:42:03 |
| R54.htm | 82473 | 2023-08-08 08:42:03 |
| R55.htm | 30464 | 2023-08-08 08:42:03 |
| R56.htm | 11878 | 2023-08-08 08:42:03 |
| R57.htm | 12422 | 2023-08-08 08:42:03 |
| R58.htm | 61973 | 2023-08-08 08:42:03 |
| R59.htm | 24839 | 2023-08-08 08:42:03 |
| R6.htm | 77565 | 2023-08-08 08:42:03 |
| R60.htm | 27617 | 2023-08-08 08:42:03 |
| R61.htm | 32363 | 2023-08-08 08:42:03 |
| R62.htm | 47261 | 2023-08-08 08:42:03 |
| R63.htm | 17957 | 2023-08-08 08:42:03 |
| R64.htm | 68996 | 2023-08-08 08:42:03 |
| R65.htm | 13384 | 2023-08-08 08:42:03 |
| R66.htm | 39747 | 2023-08-08 08:42:03 |
| R67.htm | 6529 | 2023-08-08 08:42:03 |
| R68.htm | 80677 | 2023-08-08 08:42:03 |
| R69.htm | 42083 | 2023-08-08 08:42:03 |
| R7.htm | 117555 | 2023-08-08 08:42:03 |
| R70.htm | 33873 | 2023-08-08 08:42:03 |
| R71.htm | 25188 | 2023-08-08 08:42:03 |
| R72.htm | 38800 | 2023-08-08 08:42:03 |
| R73.htm | 5869 | 2023-08-08 08:42:03 |
| R74.htm | 54343 | 2023-08-08 08:42:03 |
| R75.htm | 36018 | 2023-08-08 08:42:03 |
| R8.htm | 42669 | 2023-08-08 08:42:03 |
| R9.htm | 83831 | 2023-08-08 08:42:03 |
| report.css | 2767 | 2023-08-08 08:42:03 |
| Show.js | 1085 | 2023-08-08 08:42:03 |