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| 0000865058-12-000022.txt | 2012-05-14 16:44:24 | |
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| FilingSummary.xml | 10674 | 2012-05-14 16:44:24 |
| Financial_Report.xls | 860628 | 2012-05-14 16:44:24 |
| nsec-20120331.xml | 982859 | 2012-05-14 16:44:24 |
| nsec-20120331.xsd | 14733 | 2012-05-14 16:44:24 |
| nsec-20120331_cal.xml | 44202 | 2012-05-14 16:44:24 |
| nsec-20120331_def.xml | 87923 | 2012-05-14 16:44:24 |
| nsec-20120331_lab.xml | 191306 | 2012-05-14 16:44:24 |
| nsec-20120331_pre.xml | 110937 | 2012-05-14 16:44:24 |
| nsec-3312012x10q.htm | 1180192 | 2012-05-14 16:44:24 |
| nsec-ex311x3312012.htm | 8542 | 2012-05-14 16:44:24 |
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 nsglogo.jpg | 2297 | 2012-05-14 16:44:24 |
| R1.htm | 26696 | 2012-05-14 16:44:24 |
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| report.css | 2721 | 2012-05-14 16:44:24 |
| Show.js | 6423 | 2012-05-14 16:44:24 |