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| 0001432093-11-000516-index.html | 2011-08-08 20:10:56 | |
| 0001432093-11-000516.txt | 2011-08-08 20:10:56 | |
 0001432093-11-000516-xbrl.zip | 32372 | 2011-08-08 20:10:56 |
| ex31-1.htm | 19209 | 2011-08-08 20:10:56 |
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| R10.htm | 28165 | 2011-08-08 20:10:56 |
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| R12.htm | 9237 | 2011-08-08 20:10:56 |
| R13.htm | 4624 | 2011-08-08 20:10:56 |
| R14.htm | 6598 | 2011-08-08 20:10:56 |
| R15.htm | 24261 | 2011-08-08 20:10:56 |
| R16.htm | 4197 | 2011-08-08 20:10:56 |
| R2.htm | 92310 | 2011-08-08 20:10:56 |
| R3.htm | 34008 | 2011-08-08 20:10:56 |
| R4.htm | 73898 | 2011-08-08 20:10:56 |
| R5.htm | 103229 | 2011-08-08 20:10:56 |
| R6.htm | 4595 | 2011-08-08 20:10:56 |
| R7.htm | 10219 | 2011-08-08 20:10:56 |
| R8.htm | 16625 | 2011-08-08 20:10:56 |
| R9.htm | 6535 | 2011-08-08 20:10:56 |
| report.css | 2721 | 2011-08-08 20:10:56 |
| Show.js | 6423 | 2011-08-08 20:10:56 |
| vertex10q063011.htm | 882207 | 2011-08-08 20:10:56 |
| vtnrpk-20110630.xml | 142834 | 2011-08-08 20:10:56 |
| vtnrpk-20110630.xsd | 9698 | 2011-08-08 20:10:56 |
| vtnrpk-20110630_cal.xml | 23875 | 2011-08-08 20:10:56 |
| vtnrpk-20110630_def.xml | 28078 | 2011-08-08 20:10:56 |
| vtnrpk-20110630_lab.xml | 86434 | 2011-08-08 20:10:56 |
| vtnrpk-20110630_pre.xml | 76013 | 2011-08-08 20:10:56 |