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|---|---|---|
 0001575705-19-000097-index-headers.html | 2019-08-14 14:10:59 | |
| 0001575705-19-000097-index.html | 2019-08-14 14:10:59 | |
| 0001575705-19-000097.txt | 2019-08-14 14:10:59 | |
 0001575705-19-000097-xbrl.zip | 47358 | 2019-08-14 14:10:59 |
| ex31_1.htm | 9463 | 2019-08-14 14:10:59 |
| ex31_2.htm | 9472 | 2019-08-14 14:10:59 |
| ex32_1.htm | 3531 | 2019-08-14 14:10:59 |
| ex32_2.htm | 3505 | 2019-08-14 14:10:59 |
| FilingSummary.xml | 18925 | 2019-08-14 14:10:59 |
| Financial_Report.xlsx | 35903 | 2019-08-14 14:10:59 |
| pwvi-20190630.xml | 190217 | 2019-08-14 14:10:59 |
| pwvi-20190630.xsd | 21830 | 2019-08-14 14:10:59 |
| pwvi-20190630_cal.xml | 32008 | 2019-08-14 14:10:59 |
| pwvi-20190630_def.xml | 43778 | 2019-08-14 14:10:59 |
| pwvi-20190630_lab.xml | 160956 | 2019-08-14 14:10:59 |
| pwvi-20190630_pre.xml | 120107 | 2019-08-14 14:10:59 |
| pwvi_2q19.htm | 219799 | 2019-08-14 14:10:59 |
| R1.htm | 32633 | 2019-08-14 14:10:59 |
| R10.htm | 9067 | 2019-08-14 14:10:59 |
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| R30.htm | 16764 | 2019-08-14 14:10:59 |
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| R8.htm | 6153 | 2019-08-14 14:10:59 |
| R9.htm | 16389 | 2019-08-14 14:10:59 |
| report.css | 2767 | 2019-08-14 14:10:59 |
| Show.js | 1085 | 2019-08-14 14:10:59 |