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| 0001157523-12-002854-index.html | 2012-05-14 16:30:55 | |
| 0001157523-12-002854.txt | 2012-05-14 16:30:55 | |
 0001157523-12-002854-xbrl.zip | 41575 | 2012-05-14 16:30:55 |
| a50274812.htm | 611467 | 2012-05-14 16:30:55 |
| a50274812ex31_1.htm | 9375 | 2012-05-14 16:30:55 |
| a50274812ex31_2.htm | 10633 | 2012-05-14 16:30:55 |
| a50274812ex32_1.htm | 9857 | 2012-05-14 16:30:55 |
| FilingSummary.xml | 7944 | 2012-05-14 16:30:55 |
| Financial_Report.xls | 288985 | 2012-05-14 16:30:55 |
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| nssc-20120331.xsd | 11820 | 2012-05-14 16:30:55 |
| nssc-20120331_cal.xml | 31615 | 2012-05-14 16:30:55 |
| nssc-20120331_def.xml | 70280 | 2012-05-14 16:30:55 |
| nssc-20120331_lab.xml | 94260 | 2012-05-14 16:30:55 |
| nssc-20120331_pre.xml | 83746 | 2012-05-14 16:30:55 |
| R1.htm | 28846 | 2012-05-14 16:30:55 |
| R10.htm | 21695 | 2012-05-14 16:30:55 |
| R11.htm | 44333 | 2012-05-14 16:30:55 |
| R12.htm | 4007 | 2012-05-14 16:30:55 |
| R13.htm | 9060 | 2012-05-14 16:30:55 |
| R2.htm | 127038 | 2012-05-14 16:30:55 |
| R3.htm | 17378 | 2012-05-14 16:30:55 |
| R4.htm | 68658 | 2012-05-14 16:30:55 |
| R5.htm | 99472 | 2012-05-14 16:30:55 |
| R6.htm | 55680 | 2012-05-14 16:30:55 |
| R7.htm | 45950 | 2012-05-14 16:30:55 |
| R8.htm | 15389 | 2012-05-14 16:30:55 |
| R9.htm | 81843 | 2012-05-14 16:30:55 |
| report.css | 2721 | 2012-05-14 16:30:55 |
| Show.js | 6423 | 2012-05-14 16:30:55 |