Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001487952-16-000097-index-headers.html | 2016-08-10 15:50:12 | |
| 0001487952-16-000097-index.html | 2016-08-10 15:50:12 | |
| 0001487952-16-000097.txt | 2016-08-10 15:50:12 | |
 0001487952-16-000097-xbrl.zip | 158769 | 2016-08-10 15:50:12 |
| FilingSummary.xml | 33382 | 2016-08-10 15:50:12 |
| Financial_Report.xlsx | 59994 | 2016-08-10 15:50:12 |
| R1.htm | 23304 | 2016-08-10 15:50:12 |
| R10.htm | 31202 | 2016-08-10 15:50:12 |
| R11.htm | 16357 | 2016-08-10 15:50:12 |
| R12.htm | 10440 | 2016-08-10 15:50:12 |
| R13.htm | 23859 | 2016-08-10 15:50:12 |
| R14.htm | 35465 | 2016-08-10 15:50:12 |
| R15.htm | 50535 | 2016-08-10 15:50:12 |
| R16.htm | 22417 | 2016-08-10 15:50:12 |
| R17.htm | 118505 | 2016-08-10 15:50:12 |
| R18.htm | 84997 | 2016-08-10 15:50:12 |
| R19.htm | 23867 | 2016-08-10 15:50:12 |
| R2.htm | 109907 | 2016-08-10 15:50:12 |
| R20.htm | 38890 | 2016-08-10 15:50:12 |
| R21.htm | 5625 | 2016-08-10 15:50:12 |
| R22.htm | 12193 | 2016-08-10 15:50:12 |
| R23.htm | 10530 | 2016-08-10 15:50:12 |
| R24.htm | 48998 | 2016-08-10 15:50:12 |
| R25.htm | 27720 | 2016-08-10 15:50:12 |
| R26.htm | 10884 | 2016-08-10 15:50:12 |
| R27.htm | 25573 | 2016-08-10 15:50:12 |
| R28.htm | 32646 | 2016-08-10 15:50:12 |
| R29.htm | 49363 | 2016-08-10 15:50:12 |
| R3.htm | 53509 | 2016-08-10 15:50:12 |
| R30.htm | 13615 | 2016-08-10 15:50:12 |
| R31.htm | 110387 | 2016-08-10 15:50:12 |
| R32.htm | 86468 | 2016-08-10 15:50:12 |
| R33.htm | 24034 | 2016-08-10 15:50:12 |
| R34.htm | 30908 | 2016-08-10 15:50:12 |
| R35.htm | 10392 | 2016-08-10 15:50:12 |
| R36.htm | 29478 | 2016-08-10 15:50:12 |
| R37.htm | 58939 | 2016-08-10 15:50:12 |
| R38.htm | 20831 | 2016-08-10 15:50:12 |
| R39.htm | 16433 | 2016-08-10 15:50:12 |
| R4.htm | 22989 | 2016-08-10 15:50:12 |
| R40.htm | 15770 | 2016-08-10 15:50:12 |
| R41.htm | 13789 | 2016-08-10 15:50:12 |
| R42.htm | 27949 | 2016-08-10 15:50:12 |
| R43.htm | 19825 | 2016-08-10 15:50:12 |
| R44.htm | 20964 | 2016-08-10 15:50:12 |
| R45.htm | 36236 | 2016-08-10 15:50:12 |
| R46.htm | 4883 | 2016-08-10 15:50:12 |
| R47.htm | 36258 | 2016-08-10 15:50:12 |
| R48.htm | 18849 | 2016-08-10 15:50:12 |
| R49.htm | 36825 | 2016-08-10 15:50:12 |
| R5.htm | 70061 | 2016-08-10 15:50:12 |
| R50.htm | 7874 | 2016-08-10 15:50:12 |
| R51.htm | 11741 | 2016-08-10 15:50:12 |
| R52.htm | 12171 | 2016-08-10 15:50:12 |
| R53.htm | 7037 | 2016-08-10 15:50:12 |
| R54.htm | 13017 | 2016-08-10 15:50:12 |
| R6.htm | 32602 | 2016-08-10 15:50:12 |
| R7.htm | 5173 | 2016-08-10 15:50:12 |
| R8.htm | 25943 | 2016-08-10 15:50:12 |
| R9.htm | 59734 | 2016-08-10 15:50:12 |
| report.css | 2767 | 2016-08-10 15:50:12 |
| Show.js | 1410 | 2016-08-10 15:50:12 |
| vpg-20160702.xml | 1283561 | 2016-08-10 15:50:12 |
| vpg-20160702.xsd | 35169 | 2016-08-10 15:50:12 |
| vpg-20160702x10q.htm | 1298451 | 2016-08-10 15:50:12 |
| vpg-20160702xex101.htm | 89082 | 2016-08-10 15:50:12 |
| vpg-20160702xex311.htm | 10093 | 2016-08-10 15:50:12 |
| vpg-20160702xex312.htm | 10108 | 2016-08-10 15:50:12 |
| vpg-20160702xex321.htm | 5151 | 2016-08-10 15:50:12 |
| vpg-20160702xex322.htm | 4923 | 2016-08-10 15:50:12 |
| vpg-20160702_cal.xml | 75816 | 2016-08-10 15:50:12 |
| vpg-20160702_def.xml | 198527 | 2016-08-10 15:50:12 |
| vpg-20160702_lab.xml | 491046 | 2016-08-10 15:50:12 |
| vpg-20160702_pre.xml | 290981 | 2016-08-10 15:50:12 |