Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-17-031905-index-headers.html | 2017-05-11 16:12:06 | |
| 0001104659-17-031905-index.html | 2017-05-11 16:12:06 | |
| 0001104659-17-031905.txt | 2017-05-11 16:12:06 | |
 0001104659-17-031905-xbrl.zip | 85666 | 2017-05-11 16:12:06 |
| a17-8895_110q.htm | 549896 | 2017-05-11 16:12:06 |
| a17-8895_1ex31d1.htm | 13436 | 2017-05-11 16:12:06 |
| a17-8895_1ex31d2.htm | 13182 | 2017-05-11 16:12:06 |
| a17-8895_1ex32.htm | 12644 | 2017-05-11 16:12:06 |
| FilingSummary.xml | 14609 | 2017-05-11 16:12:06 |
| Financial_Report.xlsx | 35900 | 2017-05-11 16:12:06 |
| nsys-20170331.xml | 750681 | 2017-05-11 16:12:06 |
| nsys-20170331.xsd | 24356 | 2017-05-11 16:12:06 |
| nsys-20170331_cal.xml | 56559 | 2017-05-11 16:12:06 |
| nsys-20170331_def.xml | 93906 | 2017-05-11 16:12:06 |
| nsys-20170331_lab.xml | 335560 | 2017-05-11 16:12:06 |
| nsys-20170331_pre.xml | 206878 | 2017-05-11 16:12:06 |
| R1.htm | 22219 | 2017-05-11 16:12:06 |
| R10.htm | 18767 | 2017-05-11 16:12:06 |
| R11.htm | 9241 | 2017-05-11 16:12:06 |
| R12.htm | 173085 | 2017-05-11 16:12:06 |
| R13.htm | 128421 | 2017-05-11 16:12:06 |
| R14.htm | 50747 | 2017-05-11 16:12:06 |
| R15.htm | 26143 | 2017-05-11 16:12:06 |
| R16.htm | 19151 | 2017-05-11 16:12:06 |
| R17.htm | 70026 | 2017-05-11 16:12:06 |
| R18.htm | 64978 | 2017-05-11 16:12:06 |
| R19.htm | 25610 | 2017-05-11 16:12:06 |
| R2.htm | 51543 | 2017-05-11 16:12:06 |
| R20.htm | 99406 | 2017-05-11 16:12:06 |
| R21.htm | 29486 | 2017-05-11 16:12:06 |
| R22.htm | 22999 | 2017-05-11 16:12:06 |
| R23.htm | 20169 | 2017-05-11 16:12:06 |
| R3.htm | 91310 | 2017-05-11 16:12:06 |
| R4.htm | 21353 | 2017-05-11 16:12:06 |
| R5.htm | 82497 | 2017-05-11 16:12:06 |
| R6.htm | 137371 | 2017-05-11 16:12:06 |
| R7.htm | 8453 | 2017-05-11 16:12:06 |
| R8.htm | 52335 | 2017-05-11 16:12:06 |
| R9.htm | 26999 | 2017-05-11 16:12:06 |
| report.css | 2767 | 2017-05-11 16:12:06 |
| Show.js | 1410 | 2017-05-11 16:12:06 |