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| 0001575705-20-000080-index.html | 2020-05-12 15:45:27 | |
| 0001575705-20-000080.txt | 2020-05-12 15:45:27 | |
 0001575705-20-000080-xbrl.zip | 45729 | 2020-05-12 15:45:27 |
| ex31_1.htm | 9677 | 2020-05-12 15:45:27 |
| ex31_2.htm | 9466 | 2020-05-12 15:45:27 |
| ex32_1.htm | 3613 | 2020-05-12 15:45:27 |
| ex32_2.htm | 3556 | 2020-05-12 15:45:27 |
| FilingSummary.xml | 19187 | 2020-05-12 15:45:27 |
| Financial_Report.xlsx | 34819 | 2020-05-12 15:45:27 |
| pwvi-20200331.xml | 149480 | 2020-05-12 15:45:27 |
| pwvi-20200331.xsd | 22542 | 2020-05-12 15:45:27 |
| pwvi-20200331_cal.xml | 27610 | 2020-05-12 15:45:27 |
| pwvi-20200331_def.xml | 57202 | 2020-05-12 15:45:27 |
| pwvi-20200331_lab.xml | 157584 | 2020-05-12 15:45:27 |
| pwvi-20200331_pre.xml | 122790 | 2020-05-12 15:45:27 |
| pwvi_1q20.htm | 184295 | 2020-05-12 15:45:27 |
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| report.css | 2767 | 2020-05-12 15:45:27 |
| Show.js | 1085 | 2020-05-12 15:45:27 |