Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001096906-12-001437-index-headers.html | 2012-05-15 16:32:12 | |
| 0001096906-12-001437-index.html | 2012-05-15 16:32:12 | |
| 0001096906-12-001437.txt | 2012-05-15 16:32:12 | |
 0001096906-12-001437-xbrl.zip | 32051 | 2012-05-15 16:32:12 |
| FilingSummary.xml | 8117 | 2012-05-15 16:32:12 |
| Financial_Report.xls | 88442 | 2012-05-15 16:32:12 |
| R1.htm | 33878 | 2012-05-15 16:32:12 |
| R10.htm | 8617 | 2012-05-15 16:32:12 |
| R11.htm | 18414 | 2012-05-15 16:32:12 |
| R12.htm | 15500 | 2012-05-15 16:32:12 |
| R13.htm | 8318 | 2012-05-15 16:32:12 |
| R14.htm | 7271 | 2012-05-15 16:32:12 |
| R15.htm | 5900 | 2012-05-15 16:32:12 |
| R2.htm | 50852 | 2012-05-15 16:32:12 |
| R3.htm | 18122 | 2012-05-15 16:32:12 |
| R4.htm | 67669 | 2012-05-15 16:32:12 |
| R5.htm | 91361 | 2012-05-15 16:32:12 |
| R6.htm | 8734 | 2012-05-15 16:32:12 |
| R7.htm | 102431 | 2012-05-15 16:32:12 |
| R8.htm | 9910 | 2012-05-15 16:32:12 |
| R9.htm | 18423 | 2012-05-15 16:32:12 |
| report.css | 2721 | 2012-05-15 16:32:12 |
| Show.js | 6423 | 2012-05-15 16:32:12 |
| vanguard10qexh311.htm | 11002 | 2012-05-15 16:32:12 |
| vanguard10qexh312.htm | 10895 | 2012-05-15 16:32:12 |
| vanguard10qexh321.htm | 5906 | 2012-05-15 16:32:12 |
| vanguard10qexh322.htm | 5804 | 2012-05-15 16:32:12 |
| vanguardmin10q.htm | 617558 | 2012-05-15 16:32:12 |
| vngm-20120331.xml | 95282 | 2012-05-15 16:32:12 |
| vngm-20120331.xsd | 17244 | 2012-05-15 16:32:12 |
| vngm-20120331_cal.xml | 5665 | 2012-05-15 16:32:12 |
| vngm-20120331_def.xml | 61801 | 2012-05-15 16:32:12 |
| vngm-20120331_lab.xml | 102042 | 2012-05-15 16:32:12 |
| vngm-20120331_pre.xml | 76154 | 2012-05-15 16:32:12 |