Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-085452-index-headers.html | 2012-02-28 16:39:50 | |
| 0001193125-12-085452-index.html | 2012-02-28 16:39:50 | |
| 0001193125-12-085452.txt | 2012-02-28 16:39:50 | |
 0001193125-12-085452-xbrl.zip | 215624 | 2012-02-28 16:39:50 |
| d231890d10k.htm | 1677180 | 2012-02-28 16:39:50 |
| d231890dex1058.htm | 96603 | 2012-02-28 16:39:50 |
| d231890dex1059.htm | 11049 | 2012-02-28 16:39:50 |
| d231890dex1060.htm | 17397 | 2012-02-28 16:39:50 |
| d231890dex1061.htm | 260980 | 2012-02-28 16:39:50 |
| d231890dex1062.htm | 334391 | 2012-02-28 16:39:50 |
| d231890dex21.htm | 6674 | 2012-02-28 16:39:50 |
| d231890dex23.htm | 2423 | 2012-02-28 16:39:50 |
| d231890dex311.htm | 9660 | 2012-02-28 16:39:50 |
| d231890dex312.htm | 9651 | 2012-02-28 16:39:50 |
| d231890dex321.htm | 4943 | 2012-02-28 16:39:50 |
| FilingSummary.xml | 47638 | 2012-02-28 16:39:50 |
| Financial_Report.xls | 1585901 | 2012-02-28 16:39:50 |
 g231890g99h88.jpg | 54940 | 2012-02-28 16:39:50 |
| R1.htm | 37322 | 2012-02-28 16:39:50 |
| R10.htm | 23859 | 2012-02-28 16:39:50 |
| R11.htm | 15086 | 2012-02-28 16:39:50 |
| R12.htm | 19939 | 2012-02-28 16:39:50 |
| R13.htm | 45012 | 2012-02-28 16:39:50 |
| R14.htm | 8257 | 2012-02-28 16:39:50 |
| R15.htm | 16466 | 2012-02-28 16:39:50 |
| R16.htm | 33822 | 2012-02-28 16:39:50 |
| R17.htm | 67340 | 2012-02-28 16:39:50 |
| R18.htm | 17886 | 2012-02-28 16:39:50 |
| R19.htm | 126789 | 2012-02-28 16:39:50 |
| R2.htm | 138476 | 2012-02-28 16:39:50 |
| R20.htm | 107957 | 2012-02-28 16:39:50 |
| R21.htm | 38709 | 2012-02-28 16:39:50 |
| R22.htm | 44256 | 2012-02-28 16:39:50 |
| R23.htm | 7110 | 2012-02-28 16:39:50 |
| R24.htm | 18677 | 2012-02-28 16:39:50 |
| R25.htm | 7983 | 2012-02-28 16:39:50 |
| R26.htm | 15838 | 2012-02-28 16:39:50 |
| R27.htm | 44625 | 2012-02-28 16:39:50 |
| R28.htm | 162621 | 2012-02-28 16:39:50 |
| R29.htm | 17776 | 2012-02-28 16:39:50 |
| R3.htm | 32632 | 2012-02-28 16:39:50 |
| R30.htm | 27487 | 2012-02-28 16:39:50 |
| R31.htm | 12187 | 2012-02-28 16:39:50 |
| R32.htm | 16396 | 2012-02-28 16:39:50 |
| R33.htm | 29277 | 2012-02-28 16:39:50 |
| R34.htm | 15496 | 2012-02-28 16:39:50 |
| R35.htm | 14490 | 2012-02-28 16:39:50 |
| R36.htm | 33054 | 2012-02-28 16:39:50 |
| R37.htm | 116193 | 2012-02-28 16:39:50 |
| R38.htm | 110730 | 2012-02-28 16:39:50 |
| R39.htm | 38675 | 2012-02-28 16:39:50 |
| R4.htm | 103512 | 2012-02-28 16:39:50 |
| R40.htm | 36409 | 2012-02-28 16:39:50 |
| R41.htm | 11351 | 2012-02-28 16:39:50 |
| R42.htm | 13750 | 2012-02-28 16:39:50 |
| R43.htm | 41065 | 2012-02-28 16:39:50 |
| R44.htm | 37526 | 2012-02-28 16:39:50 |
| R45.htm | 17989 | 2012-02-28 16:39:50 |
| R46.htm | 27695 | 2012-02-28 16:39:50 |
| R47.htm | 14839 | 2012-02-28 16:39:50 |
| R48.htm | 29411 | 2012-02-28 16:39:50 |
| R49.htm | 32324 | 2012-02-28 16:39:50 |
| R5.htm | 29646 | 2012-02-28 16:39:50 |
| R50.htm | 31294 | 2012-02-28 16:39:50 |
| R51.htm | 16536 | 2012-02-28 16:39:50 |
| R52.htm | 26326 | 2012-02-28 16:39:50 |
| R53.htm | 192044 | 2012-02-28 16:39:50 |
| R54.htm | 12511 | 2012-02-28 16:39:50 |
| R55.htm | 139109 | 2012-02-28 16:39:50 |
| R56.htm | 15870 | 2012-02-28 16:39:50 |
| R57.htm | 52305 | 2012-02-28 16:39:50 |
| R58.htm | 38470 | 2012-02-28 16:39:50 |
| R59.htm | 101936 | 2012-02-28 16:39:50 |
| R6.htm | 82845 | 2012-02-28 16:39:50 |
| R60.htm | 11561 | 2012-02-28 16:39:50 |
| R61.htm | 8934 | 2012-02-28 16:39:50 |
| R62.htm | 27510 | 2012-02-28 16:39:50 |
| R63.htm | 26551 | 2012-02-28 16:39:50 |
| R64.htm | 40247 | 2012-02-28 16:39:50 |
| R65.htm | 30847 | 2012-02-28 16:39:50 |
| R66.htm | 29213 | 2012-02-28 16:39:50 |
| R67.htm | 39049 | 2012-02-28 16:39:50 |
| R68.htm | 13570 | 2012-02-28 16:39:50 |
| R69.htm | 68221 | 2012-02-28 16:39:50 |
| R7.htm | 158915 | 2012-02-28 16:39:50 |
| R70.htm | 32265 | 2012-02-28 16:39:50 |
| R71.htm | 65719 | 2012-02-28 16:39:50 |
| R72.htm | 26540 | 2012-02-28 16:39:50 |
| R73.htm | 13962 | 2012-02-28 16:39:50 |
| R74.htm | 16702 | 2012-02-28 16:39:50 |
| R75.htm | 74797 | 2012-02-28 16:39:50 |
| R76.htm | 12267 | 2012-02-28 16:39:50 |
| R77.htm | 34740 | 2012-02-28 16:39:50 |
| R78.htm | 17145 | 2012-02-28 16:39:50 |
| R79.htm | 13040 | 2012-02-28 16:39:50 |
| R8.htm | 28397 | 2012-02-28 16:39:50 |
| R80.htm | 41799 | 2012-02-28 16:39:50 |
| R81.htm | 31116 | 2012-02-28 16:39:50 |
| R82.htm | 7503 | 2012-02-28 16:39:50 |
| R83.htm | 25329 | 2012-02-28 16:39:50 |
| R84.htm | 51256 | 2012-02-28 16:39:50 |
| R9.htm | 75131 | 2012-02-28 16:39:50 |
| report.css | 2721 | 2012-02-28 16:39:50 |
| Show.js | 6423 | 2012-02-28 16:39:50 |
| vphm-20111231.xml | 1716616 | 2012-02-28 16:39:50 |
| vphm-20111231.xsd | 84554 | 2012-02-28 16:39:50 |
| vphm-20111231_cal.xml | 87932 | 2012-02-28 16:39:50 |
| vphm-20111231_def.xml | 286183 | 2012-02-28 16:39:50 |
| vphm-20111231_lab.xml | 679393 | 2012-02-28 16:39:50 |
| vphm-20111231_pre.xml | 553304 | 2012-02-28 16:39:50 |