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| 0000891092-19-008403-index.html | 2019-08-13 16:07:23 | |
| 0000891092-19-008403.txt | 2019-08-13 16:07:23 | |
 0000891092-19-008403-xbrl.zip | 62540 | 2019-08-13 16:07:23 |
| e5219ex31-1.htm | 7480 | 2019-08-13 16:07:23 |
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| R9.htm | 6672 | 2019-08-13 16:07:23 |
| report.css | 2767 | 2019-08-13 16:07:23 |
| Show.js | 1085 | 2019-08-13 16:07:23 |
| vprb-20190630.xml | 219002 | 2019-08-13 16:07:23 |
| vprb-20190630.xsd | 34795 | 2019-08-13 16:07:23 |
| vprb-20190630_cal.xml | 34429 | 2019-08-13 16:07:23 |
| vprb-20190630_def.xml | 79568 | 2019-08-13 16:07:23 |
| vprb-20190630_lab.xml | 210122 | 2019-08-13 16:07:23 |
| vprb-20190630_pre.xml | 145825 | 2019-08-13 16:07:23 |