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| 0001575705-20-000155-index.html | 2020-08-10 16:13:52 | |
| 0001575705-20-000155.txt | 2020-08-10 16:13:52 | |
 0001575705-20-000155-xbrl.zip | 49125 | 2020-08-10 16:13:52 |
| ex31_1.htm | 10354 | 2020-08-10 16:13:52 |
| ex31_2.htm | 10264 | 2020-08-10 16:13:52 |
| ex32_1.htm | 4465 | 2020-08-10 16:13:52 |
| ex32_2.htm | 4409 | 2020-08-10 16:13:52 |
| FilingSummary.xml | 19666 | 2020-08-10 16:13:52 |
| Financial_Report.xlsx | 43125 | 2020-08-10 16:13:52 |
| pwvi-20200630.xml | 186586 | 2020-08-10 16:13:52 |
| pwvi-20200630.xsd | 23803 | 2020-08-10 16:13:52 |
| pwvi-20200630_cal.xml | 28704 | 2020-08-10 16:13:52 |
| pwvi-20200630_def.xml | 64316 | 2020-08-10 16:13:52 |
| pwvi-20200630_lab.xml | 167184 | 2020-08-10 16:13:52 |
| pwvi-20200630_pre.xml | 131701 | 2020-08-10 16:13:52 |
| pwvi_2q20.htm | 224191 | 2020-08-10 16:13:52 |
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| R30.htm | 26182 | 2020-08-10 16:13:52 |
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| R32.htm | 14261 | 2020-08-10 16:13:52 |
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| R9.htm | 17787 | 2020-08-10 16:13:52 |
| report.css | 2767 | 2020-08-10 16:13:52 |
| Show.js | 1085 | 2020-08-10 16:13:52 |