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| 0001272830-20-000041-index.html | 2020-02-18 08:00:04 | |
| 0001272830-20-000041.txt | 2020-02-18 08:00:04 | |
 0001272830-20-000041-xbrl.zip | 41280 | 2020-02-18 08:00:04 |
| a8-kerq419.htm | 55663 | 2020-02-18 08:00:04 |
| a8-kerq419exhibit991.htm | 724943 | 2020-02-18 08:00:04 |
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| FilingSummary.xml | 1748 | 2020-02-18 08:00:04 |
| Financial_Report.xlsx | 5774 | 2020-02-18 08:00:04 |
| MetaLinks.json | 18515 | 2020-02-18 08:00:04 |
| R1.htm | 38598 | 2020-02-18 08:00:04 |
| report.css | 2767 | 2020-02-18 08:00:04 |
| Show.js | 1085 | 2020-02-18 08:00:04 |
| vg-20200218.xsd | 4595 | 2020-02-18 08:00:04 |
| vg-20200218_cal.xml | 641 | 2020-02-18 08:00:04 |
| vg-20200218_def.xml | 1491 | 2020-02-18 08:00:04 |
| vg-20200218_lab.xml | 26142 | 2020-02-18 08:00:04 |
| vg-20200218_pre.xml | 13597 | 2020-02-18 08:00:04 |
 vonagelogoa03.jpg | 34659 | 2020-02-18 08:00:04 |