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| 0001564590-18-021093-index.html | 2018-08-09 16:32:03 | |
| 0001564590-18-021093.txt | 2018-08-09 16:32:03 | |
 0001564590-18-021093-xbrl.zip | 123654 | 2018-08-09 16:32:03 |
| bv-10q_20180630.htm | 2113782 | 2018-08-09 16:32:03 |
| bv-20180630.xml | 1721809 | 2018-08-09 16:32:03 |
| bv-20180630.xsd | 44171 | 2018-08-09 16:32:03 |
| bv-20180630_cal.xml | 47204 | 2018-08-09 16:32:03 |
| bv-20180630_def.xml | 161364 | 2018-08-09 16:32:03 |
| bv-20180630_lab.xml | 334291 | 2018-08-09 16:32:03 |
| bv-20180630_pre.xml | 279917 | 2018-08-09 16:32:03 |
| bv-ex311_9.htm | 16273 | 2018-08-09 16:32:03 |
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| bv-ex321_7.htm | 7752 | 2018-08-09 16:32:03 |
| bv-ex322_6.htm | 7963 | 2018-08-09 16:32:03 |
| FilingSummary.xml | 35405 | 2018-08-09 16:32:03 |
| Financial_Report.xlsx | 63696 | 2018-08-09 16:32:03 |
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| report.css | 2767 | 2018-08-09 16:32:03 |
| Show.js | 1410 | 2018-08-09 16:32:03 |