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| 0000920448-17-000021-index.html | 2017-03-30 17:04:28 | |
| 0000920448-17-000021.txt | 2017-03-30 17:04:28 | |
 0000920448-17-000021-xbrl.zip | 139322 | 2017-03-30 17:04:28 |
| bvsn-20161231.xml | 2104330 | 2017-03-30 17:04:28 |
| bvsn-20161231.xsd | 39115 | 2017-03-30 17:04:28 |
| bvsn-20161231x10k.htm | 1882438 | 2017-03-30 17:04:28 |
| bvsn-20161231xex21_1.htm | 13722 | 2017-03-30 17:04:28 |
| bvsn-20161231xex23_1.htm | 5513 | 2017-03-30 17:04:28 |
| bvsn-20161231xex31_1.htm | 11629 | 2017-03-30 17:04:28 |
| bvsn-20161231xex31_2.htm | 12134 | 2017-03-30 17:04:28 |
| bvsn-20161231xex32_1.htm | 12705 | 2017-03-30 17:04:28 |
| bvsn-20161231_cal.xml | 66896 | 2017-03-30 17:04:28 |
| bvsn-20161231_def.xml | 100478 | 2017-03-30 17:04:28 |
| bvsn-20161231_lab.xml | 337657 | 2017-03-30 17:04:28 |
| bvsn-20161231_pre.xml | 293705 | 2017-03-30 17:04:28 |
| FilingSummary.xml | 36383 | 2017-03-30 17:04:28 |
| Financial_Report.xlsx | 74398 | 2017-03-30 17:04:28 |
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| report.css | 2767 | 2017-03-30 17:04:28 |
| Show.js | 1410 | 2017-03-30 17:04:28 |