Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000865058-11-000020-index-headers.html | 2011-08-15 16:57:44 | |
| 0000865058-11-000020-index.html | 2011-08-15 16:57:44 | |
| 0000865058-11-000020.txt | 2011-08-15 16:57:44 | |
 0000865058-11-000020-xbrl.zip | 82989 | 2011-08-15 16:57:44 |
| FilingSummary.xml | 9479 | 2011-08-15 16:57:44 |
| Financial_Report.xls | 798106 | 2011-08-15 16:57:44 |
| nsec-20110630.xml | 919546 | 2011-08-15 16:57:44 |
| nsec-20110630.xsd | 14145 | 2011-08-15 16:57:44 |
| nsec-20110630_cal.xml | 41287 | 2011-08-15 16:57:44 |
| nsec-20110630_def.xml | 81953 | 2011-08-15 16:57:44 |
| nsec-20110630_lab.xml | 186806 | 2011-08-15 16:57:44 |
| nsec-20110630_pre.xml | 104430 | 2011-08-15 16:57:44 |
| nsec-6302011x10q.htm | 1335564 | 2011-08-15 16:57:44 |
| nsec-ex311x6302011.htm | 8597 | 2011-08-15 16:57:44 |
| nsec-ex312x6302011.htm | 8559 | 2011-08-15 16:57:44 |
| nsec-ex321x6302011.htm | 7547 | 2011-08-15 16:57:44 |
 nsglogo.jpg | 2297 | 2011-08-15 16:57:44 |
| R1.htm | 25467 | 2011-08-15 16:57:44 |
| R10.htm | 14683 | 2011-08-15 16:57:44 |
| R11.htm | 357453 | 2011-08-15 16:57:44 |
| R12.htm | 61532 | 2011-08-15 16:57:44 |
| R13.htm | 35776 | 2011-08-15 16:57:44 |
| R14.htm | 22009 | 2011-08-15 16:57:44 |
| R15.htm | 221890 | 2011-08-15 16:57:44 |
| R16.htm | 82377 | 2011-08-15 16:57:44 |
| R17.htm | 5572 | 2011-08-15 16:57:44 |
| R2.htm | 156445 | 2011-08-15 16:57:44 |
| R3.htm | 72680 | 2011-08-15 16:57:44 |
| R4.htm | 33720 | 2011-08-15 16:57:44 |
| R5.htm | 7808 | 2011-08-15 16:57:44 |
| R6.htm | 79501 | 2011-08-15 16:57:44 |
| R7.htm | 17462 | 2011-08-15 16:57:44 |
| R8.htm | 15542 | 2011-08-15 16:57:44 |
| R9.htm | 7731 | 2011-08-15 16:57:44 |
| report.css | 2721 | 2011-08-15 16:57:44 |
| Show.js | 6423 | 2011-08-15 16:57:44 |