Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001047469-16-011421-index-headers.html | 2016-03-22 09:13:42 | |
| 0001047469-16-011421-index.html | 2016-03-22 09:13:42 | |
| 0001047469-16-011421.txt | 2016-03-22 09:13:42 | |
 0001047469-16-011421-xbrl.zip | 149108 | 2016-03-22 09:13:42 |
| a2227617z10-k.htm | 894725 | 2016-03-22 09:13:42 |
| a2227617zex-10_13.htm | 150442 | 2016-03-22 09:13:42 |
| a2227617zex-23_1.htm | 3776 | 2016-03-22 09:13:42 |
| a2227617zex-31_1.htm | 8106 | 2016-03-22 09:13:42 |
| a2227617zex-31_2.htm | 8054 | 2016-03-22 09:13:42 |
| a2227617zex-32_1.htm | 6230 | 2016-03-22 09:13:42 |
| FilingSummary.xml | 22327 | 2016-03-22 09:13:42 |
| Financial_Report.xlsx | 60545 | 2016-03-22 09:13:42 |
 g234333ke01i001.gif | 311 | 2016-03-22 09:13:42 |
 g234333ke03i001.gif | 32754 | 2016-03-22 09:13:42 |
| nsys-20151231.xml | 1965663 | 2016-03-22 09:13:42 |
| nsys-20151231.xsd | 44162 | 2016-03-22 09:13:42 |
| nsys-20151231_cal.xml | 82111 | 2016-03-22 09:13:42 |
| nsys-20151231_def.xml | 148135 | 2016-03-22 09:13:42 |
| nsys-20151231_lab.xml | 552663 | 2016-03-22 09:13:42 |
| nsys-20151231_pre.xml | 344762 | 2016-03-22 09:13:42 |
| R1.htm | 28221 | 2016-03-22 09:13:42 |
| R10.htm | 171296 | 2016-03-22 09:13:42 |
| R11.htm | 6710 | 2016-03-22 09:13:42 |
| R12.htm | 91225 | 2016-03-22 09:13:42 |
| R13.htm | 30138 | 2016-03-22 09:13:42 |
| R14.htm | 81920 | 2016-03-22 09:13:42 |
| R15.htm | 34414 | 2016-03-22 09:13:42 |
| R16.htm | 301463 | 2016-03-22 09:13:42 |
| R17.htm | 222249 | 2016-03-22 09:13:42 |
| R18.htm | 77234 | 2016-03-22 09:13:42 |
| R19.htm | 175646 | 2016-03-22 09:13:42 |
| R2.htm | 86229 | 2016-03-22 09:13:42 |
| R20.htm | 81894 | 2016-03-22 09:13:42 |
| R21.htm | 23214 | 2016-03-22 09:13:42 |
| R22.htm | 73787 | 2016-03-22 09:13:42 |
| R23.htm | 48909 | 2016-03-22 09:13:42 |
| R24.htm | 41141 | 2016-03-22 09:13:42 |
| R25.htm | 29634 | 2016-03-22 09:13:42 |
| R26.htm | 22303 | 2016-03-22 09:13:42 |
| R27.htm | 24406 | 2016-03-22 09:13:42 |
| R28.htm | 108505 | 2016-03-22 09:13:42 |
| R29.htm | 105987 | 2016-03-22 09:13:42 |
| R3.htm | 20895 | 2016-03-22 09:13:42 |
| R30.htm | 13353 | 2016-03-22 09:13:42 |
| R31.htm | 126144 | 2016-03-22 09:13:42 |
| R32.htm | 22997 | 2016-03-22 09:13:42 |
| R33.htm | 22990 | 2016-03-22 09:13:42 |
| R34.htm | 98814 | 2016-03-22 09:13:42 |
| R35.htm | 14636 | 2016-03-22 09:13:42 |
| R4.htm | 43601 | 2016-03-22 09:13:42 |
| R5.htm | 26559 | 2016-03-22 09:13:42 |
| R6.htm | 90458 | 2016-03-22 09:13:42 |
| R7.htm | 244977 | 2016-03-22 09:13:42 |
| R8.htm | 8470 | 2016-03-22 09:13:42 |
| R9.htm | 78761 | 2016-03-22 09:13:42 |
| report.css | 2767 | 2016-03-22 09:13:42 |
| Show.js | 1410 | 2016-03-22 09:13:42 |