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| 0001477932-17-005293-index.html | 2017-10-30 12:10:11 | |
| 0001477932-17-005293.txt | 2017-10-30 12:10:11 | |
 0001477932-17-005293-xbrl.zip | 131783 | 2017-10-30 12:10:11 |
| bvtk-20170930.xml | 849316 | 2017-10-30 12:10:11 |
| bvtk-20170930.xsd | 66353 | 2017-10-30 12:10:11 |
| bvtk-20170930_cal.xml | 43634 | 2017-10-30 12:10:11 |
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| bvtk_10q.htm | 399545 | 2017-10-30 12:10:11 |
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| bvtk_ex321.htm | 2895 | 2017-10-30 12:10:11 |
| bvtk_ex322.htm | 2939 | 2017-10-30 12:10:11 |
| FilingSummary.xml | 23360 | 2017-10-30 12:10:11 |
| Financial_Report.xlsx | 82038 | 2017-10-30 12:10:11 |
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| report.css | 2767 | 2017-10-30 12:10:11 |
| Show.js | 1410 | 2017-10-30 12:10:11 |