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| 0001077048-12-000310-index.html | 2012-05-21 13:52:22 | |
| 0001077048-12-000310.txt | 2012-05-21 13:52:22 | |
 0001077048-12-000310-xbrl.zip | 29302 | 2012-05-21 13:52:22 |
| ex31-1.htm | 16326 | 2012-05-21 13:52:22 |
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| ex32-2.htm | 5582 | 2012-05-21 13:52:22 |
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| Financial_Report.xls | 92665 | 2012-05-21 13:52:22 |
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| R13.htm | 10481 | 2012-05-21 13:52:22 |
| R2.htm | 96909 | 2012-05-21 13:52:22 |
| R3.htm | 21117 | 2012-05-21 13:52:22 |
| R4.htm | 63730 | 2012-05-21 13:52:22 |
| R5.htm | 100193 | 2012-05-21 13:52:22 |
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| R8.htm | 9511 | 2012-05-21 13:52:22 |
| R9.htm | 20622 | 2012-05-21 13:52:22 |
| report.css | 2721 | 2012-05-21 13:52:22 |
| Show.js | 6423 | 2012-05-21 13:52:22 |
| vsst-20120331.xml | 93162 | 2012-05-21 13:52:22 |
| vsst-20120331.xsd | 10174 | 2012-05-21 13:52:22 |
| vsst-20120331_cal.xml | 5083 | 2012-05-21 13:52:22 |
| vsst-20120331_def.xml | 47011 | 2012-05-21 13:52:22 |
| vsst-20120331_lab.xml | 81029 | 2012-05-21 13:52:22 |
| vsst-20120331_pre.xml | 59446 | 2012-05-21 13:52:22 |
 vsst.jpg | 7890 | 2012-05-21 13:52:22 |
| vsst10q0331.htm | 469080 | 2012-05-21 13:52:22 |