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| 0001157523-12-000715-index.html | 2012-02-13 16:40:55 | |
| 0001157523-12-000715.txt | 2012-02-13 16:40:55 | |
 0001157523-12-000715-xbrl.zip | 39864 | 2012-02-13 16:40:55 |
| a50162758.htm | 567629 | 2012-02-13 16:40:55 |
| a50162758ex31-1.htm | 11117 | 2012-02-13 16:40:55 |
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| a50162758ex32-1.htm | 12257 | 2012-02-13 16:40:55 |
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| Financial_Report.xls | 262746 | 2012-02-13 16:40:55 |
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| nssc-20111231.xsd | 11820 | 2012-02-13 16:40:55 |
| nssc-20111231_cal.xml | 31158 | 2012-02-13 16:40:55 |
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| R10.htm | 19823 | 2012-02-13 16:40:55 |
| R11.htm | 32183 | 2012-02-13 16:40:55 |
| R12.htm | 4015 | 2012-02-13 16:40:55 |
| R13.htm | 9039 | 2012-02-13 16:40:55 |
| R2.htm | 126894 | 2012-02-13 16:40:55 |
| R3.htm | 17378 | 2012-02-13 16:40:55 |
| R4.htm | 68663 | 2012-02-13 16:40:55 |
| R5.htm | 94979 | 2012-02-13 16:40:55 |
| R6.htm | 53528 | 2012-02-13 16:40:55 |
| R7.htm | 45125 | 2012-02-13 16:40:55 |
| R8.htm | 14428 | 2012-02-13 16:40:55 |
| R9.htm | 74667 | 2012-02-13 16:40:55 |
| report.css | 2721 | 2012-02-13 16:40:55 |
| Show.js | 6423 | 2012-02-13 16:40:55 |