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 0001564590-19-029636-index-headers.html | 2019-08-07 06:44:04 | |
| 0001564590-19-029636-index.html | 2019-08-07 06:44:04 | |
| 0001564590-19-029636.txt | 2019-08-07 06:44:04 | |
 0001564590-19-029636-xbrl.zip | 138363 | 2019-08-07 06:44:04 |
| bv-10q_20190630.htm | 2407822 | 2019-08-07 06:44:04 |
| bv-20190630.xml | 1934305 | 2019-08-07 06:44:04 |
| bv-20190630.xsd | 51525 | 2019-08-07 06:44:04 |
| bv-20190630_cal.xml | 52907 | 2019-08-07 06:44:04 |
| bv-20190630_def.xml | 176779 | 2019-08-07 06:44:04 |
| bv-20190630_lab.xml | 379858 | 2019-08-07 06:44:04 |
| bv-20190630_pre.xml | 319051 | 2019-08-07 06:44:04 |
| bv-ex311_7.htm | 16061 | 2019-08-07 06:44:04 |
| bv-ex312_6.htm | 16265 | 2019-08-07 06:44:04 |
| bv-ex321_8.htm | 7752 | 2019-08-07 06:44:04 |
| bv-ex322_9.htm | 7963 | 2019-08-07 06:44:04 |
| FilingSummary.xml | 41161 | 2019-08-07 06:44:04 |
| Financial_Report.xlsx | 74575 | 2019-08-07 06:44:04 |
| R1.htm | 45411 | 2019-08-07 06:44:04 |
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| report.css | 2767 | 2019-08-07 06:44:04 |
| Show.js | 1085 | 2019-08-07 06:44:04 |