Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001575705-19-000038-index-headers.html | 2019-03-29 16:52:40 | |
| 0001575705-19-000038-index.html | 2019-03-29 16:52:40 | |
| 0001575705-19-000038.txt | 2019-03-29 16:52:40 | |
 0001575705-19-000038-xbrl.zip | 64600 | 2019-03-29 16:52:40 |
| ex10_25.htm | 12647 | 2019-03-29 16:52:40 |
| ex31_1.htm | 9374 | 2019-03-29 16:52:40 |
| ex31_2.htm | 10780 | 2019-03-29 16:52:40 |
| ex32_1.htm | 3990 | 2019-03-29 16:52:40 |
| ex32_2.htm | 3861 | 2019-03-29 16:52:40 |
| FilingSummary.xml | 23183 | 2019-03-29 16:52:40 |
| Financial_Report.xlsx | 44997 | 2019-03-29 16:52:40 |
| pwvi-20181231.xml | 244094 | 2019-03-29 16:52:40 |
| pwvi-20181231.xsd | 32202 | 2019-03-29 16:52:40 |
| pwvi-20181231_cal.xml | 38189 | 2019-03-29 16:52:40 |
| pwvi-20181231_def.xml | 71913 | 2019-03-29 16:52:40 |
| pwvi-20181231_lab.xml | 229322 | 2019-03-29 16:52:40 |
| pwvi-20181231_pre.xml | 164249 | 2019-03-29 16:52:40 |
| pwvi_10k.htm | 374732 | 2019-03-29 16:52:40 |
| R1.htm | 33839 | 2019-03-29 16:52:40 |
| R10.htm | 9396 | 2019-03-29 16:52:40 |
| R11.htm | 9892 | 2019-03-29 16:52:40 |
| R12.htm | 14649 | 2019-03-29 16:52:40 |
| R13.htm | 13450 | 2019-03-29 16:52:40 |
| R14.htm | 4756 | 2019-03-29 16:52:40 |
| R15.htm | 9201 | 2019-03-29 16:52:40 |
| R16.htm | 24420 | 2019-03-29 16:52:40 |
| R17.htm | 5126 | 2019-03-29 16:52:40 |
| R18.htm | 5280 | 2019-03-29 16:52:40 |
| R19.htm | 61809 | 2019-03-29 16:52:40 |
| R2.htm | 60141 | 2019-03-29 16:52:40 |
| R20.htm | 7095 | 2019-03-29 16:52:40 |
| R21.htm | 11373 | 2019-03-29 16:52:40 |
| R22.htm | 11659 | 2019-03-29 16:52:40 |
| R23.htm | 26418 | 2019-03-29 16:52:40 |
| R24.htm | 6794 | 2019-03-29 16:52:40 |
| R25.htm | 19713 | 2019-03-29 16:52:40 |
| R26.htm | 12760 | 2019-03-29 16:52:40 |
| R27.htm | 24779 | 2019-03-29 16:52:40 |
| R28.htm | 25623 | 2019-03-29 16:52:40 |
| R29.htm | 26678 | 2019-03-29 16:52:40 |
| R3.htm | 25226 | 2019-03-29 16:52:40 |
| R30.htm | 32692 | 2019-03-29 16:52:40 |
| R31.htm | 28379 | 2019-03-29 16:52:40 |
| R32.htm | 10950 | 2019-03-29 16:52:40 |
| R33.htm | 31385 | 2019-03-29 16:52:40 |
| R34.htm | 19237 | 2019-03-29 16:52:40 |
| R35.htm | 17157 | 2019-03-29 16:52:40 |
| R36.htm | 10669 | 2019-03-29 16:52:40 |
| R37.htm | 10118 | 2019-03-29 16:52:40 |
| R38.htm | 4946 | 2019-03-29 16:52:40 |
| R39.htm | 12272 | 2019-03-29 16:52:40 |
| R4.htm | 37871 | 2019-03-29 16:52:40 |
| R5.htm | 15883 | 2019-03-29 16:52:40 |
| R6.htm | 44257 | 2019-03-29 16:52:40 |
| R7.htm | 5364 | 2019-03-29 16:52:40 |
| R8.htm | 5798 | 2019-03-29 16:52:40 |
| R9.htm | 19633 | 2019-03-29 16:52:40 |
| report.css | 2767 | 2019-03-29 16:52:40 |
| Show.js | 1085 | 2019-03-29 16:52:40 |