Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000077159-16-000080-index-headers.html | 2016-11-14 17:28:15 | |
| 0000077159-16-000080-index.html | 2016-11-14 17:28:15 | |
| 0000077159-16-000080.txt | 2016-11-14 17:28:15 | |
 0000077159-16-000080-xbrl.zip | 275217 | 2016-11-14 17:28:15 |
| FilingSummary.xml | 35858 | 2016-11-14 17:28:15 |
| Financial_Report.xlsx | 91703 | 2016-11-14 17:28:15 |
 image0a02.jpg | 7418 | 2016-11-14 17:28:15 |
| pva-20160930.xml | 2293634 | 2016-11-14 17:28:15 |
| pva-20160930.xsd | 79316 | 2016-11-14 17:28:15 |
| pva-20160930_cal.xml | 85440 | 2016-11-14 17:28:15 |
| pva-20160930_def.xml | 415252 | 2016-11-14 17:28:15 |
| pva-20160930_lab.xml | 907993 | 2016-11-14 17:28:15 |
| pva-20160930_pre.xml | 557890 | 2016-11-14 17:28:15 |
| pva-2016930x10q.htm | 2441254 | 2016-11-14 17:28:15 |
| pva-2016930xex105.htm | 214368 | 2016-11-14 17:28:15 |
| pva-2016930xex106.htm | 119283 | 2016-11-14 17:28:15 |
| pva-2016930xex311.htm | 10742 | 2016-11-14 17:28:15 |
| pva-2016930xex312.htm | 10637 | 2016-11-14 17:28:15 |
| pva-2016930xex321.htm | 6085 | 2016-11-14 17:28:15 |
| pva-2016930xex322.htm | 6144 | 2016-11-14 17:28:15 |
| R1.htm | 21996 | 2016-11-14 17:28:15 |
| R10.htm | 24161 | 2016-11-14 17:28:15 |
| R11.htm | 232130 | 2016-11-14 17:28:15 |
| R12.htm | 29298 | 2016-11-14 17:28:15 |
| R13.htm | 133051 | 2016-11-14 17:28:15 |
| R14.htm | 29276 | 2016-11-14 17:28:15 |
| R15.htm | 48539 | 2016-11-14 17:28:15 |
| R16.htm | 8378 | 2016-11-14 17:28:15 |
| R17.htm | 11059 | 2016-11-14 17:28:15 |
| R18.htm | 64560 | 2016-11-14 17:28:15 |
| R19.htm | 86963 | 2016-11-14 17:28:15 |
| R2.htm | 79670 | 2016-11-14 17:28:15 |
| R20.htm | 12070 | 2016-11-14 17:28:15 |
| R21.htm | 125396 | 2016-11-14 17:28:15 |
| R22.htm | 54202 | 2016-11-14 17:28:15 |
| R23.htm | 64417 | 2016-11-14 17:28:15 |
| R24.htm | 69512 | 2016-11-14 17:28:15 |
| R25.htm | 38530 | 2016-11-14 17:28:15 |
| R26.htm | 6866 | 2016-11-14 17:28:15 |
| R27.htm | 219885 | 2016-11-14 17:28:15 |
| R28.htm | 22656 | 2016-11-14 17:28:15 |
| R29.htm | 128072 | 2016-11-14 17:28:15 |
| R3.htm | 14384 | 2016-11-14 17:28:15 |
| R30.htm | 25383 | 2016-11-14 17:28:15 |
| R31.htm | 42360 | 2016-11-14 17:28:15 |
| R32.htm | 64385 | 2016-11-14 17:28:15 |
| R33.htm | 78747 | 2016-11-14 17:28:15 |
| R34.htm | 120117 | 2016-11-14 17:28:15 |
| R35.htm | 24893 | 2016-11-14 17:28:15 |
| R36.htm | 86761 | 2016-11-14 17:28:15 |
| R37.htm | 68459 | 2016-11-14 17:28:15 |
| R38.htm | 7720 | 2016-11-14 17:28:15 |
| R39.htm | 14481 | 2016-11-14 17:28:15 |
| R4.htm | 3978 | 2016-11-14 17:28:15 |
| R40.htm | 63153 | 2016-11-14 17:28:15 |
| R41.htm | 287481 | 2016-11-14 17:28:15 |
| R42.htm | 17479 | 2016-11-14 17:28:15 |
| R43.htm | 24109 | 2016-11-14 17:28:15 |
| R44.htm | 31327 | 2016-11-14 17:28:15 |
| R45.htm | 62305 | 2016-11-14 17:28:15 |
| R46.htm | 5445 | 2016-11-14 17:28:15 |
| R47.htm | 30235 | 2016-11-14 17:28:15 |
| R48.htm | 19243 | 2016-11-14 17:28:15 |
| R49.htm | 28967 | 2016-11-14 17:28:15 |
| R5.htm | 102585 | 2016-11-14 17:28:15 |
| R50.htm | 73604 | 2016-11-14 17:28:15 |
| R51.htm | 7044 | 2016-11-14 17:28:15 |
| R52.htm | 19387 | 2016-11-14 17:28:15 |
| R53.htm | 64780 | 2016-11-14 17:28:15 |
| R54.htm | 16573 | 2016-11-14 17:28:15 |
| R55.htm | 43428 | 2016-11-14 17:28:15 |
| R56.htm | 38134 | 2016-11-14 17:28:15 |
| R57.htm | 104179 | 2016-11-14 17:28:15 |
| R58.htm | 27277 | 2016-11-14 17:28:15 |
| R59.htm | 25038 | 2016-11-14 17:28:15 |
| R6.htm | 23602 | 2016-11-14 17:28:15 |
| R60.htm | 26065 | 2016-11-14 17:28:15 |
| R61.htm | 28136 | 2016-11-14 17:28:15 |
| R7.htm | 85171 | 2016-11-14 17:28:15 |
| R8.htm | 6368 | 2016-11-14 17:28:15 |
| R9.htm | 16619 | 2016-11-14 17:28:15 |
| report.css | 2767 | 2016-11-14 17:28:15 |
| Show.js | 1410 | 2016-11-14 17:28:15 |