Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-019680-index-headers.html | 2021-08-12 15:59:47 | |
| 0001437749-21-019680-index.html | 2021-08-12 15:59:47 | |
| 0001437749-21-019680.txt | 2021-08-12 15:59:47 | |
 0001437749-21-019680-xbrl.zip | 128652 | 2021-08-12 15:59:47 |
| ex_273202.htm | 12717 | 2021-08-12 15:59:47 |
| ex_273203.htm | 12718 | 2021-08-12 15:59:47 |
| ex_273204.htm | 7709 | 2021-08-12 15:59:47 |
| FilingSummary.xml | 28379 | 2021-08-12 15:59:47 |
| Financial_Report.xlsx | 58770 | 2021-08-12 15:59:47 |
| MetaLinks.json | 567668 | 2021-08-12 15:59:47 |
| nsys-20210630.xsd | 45761 | 2021-08-12 15:59:47 |
| nsys-20210630_cal.xml | 57083 | 2021-08-12 15:59:47 |
| nsys-20210630_def.xml | 339674 | 2021-08-12 15:59:47 |
| nsys-20210630_lab.xml | 321419 | 2021-08-12 15:59:47 |
| nsys-20210630_pre.xml | 364330 | 2021-08-12 15:59:47 |
| nsys20210630_10q.htm | 1045318 | 2021-08-12 15:59:47 |
| nsys20210630_10q_htm.xml | 983609 | 2021-08-12 15:59:47 |
| R1.htm | 52456 | 2021-08-12 15:59:47 |
| R10.htm | 28256 | 2021-08-12 15:59:47 |
| R11.htm | 70519 | 2021-08-12 15:59:47 |
| R12.htm | 9460 | 2021-08-12 15:59:47 |
| R13.htm | 7149 | 2021-08-12 15:59:47 |
| R14.htm | 10242 | 2021-08-12 15:59:47 |
| R15.htm | 7298 | 2021-08-12 15:59:47 |
| R16.htm | 126319 | 2021-08-12 15:59:47 |
| R17.htm | 92406 | 2021-08-12 15:59:47 |
| R18.htm | 61713 | 2021-08-12 15:59:47 |
| R19.htm | 20788 | 2021-08-12 15:59:47 |
| R2.htm | 88301 | 2021-08-12 15:59:47 |
| R20.htm | 70658 | 2021-08-12 15:59:47 |
| R21.htm | 36964 | 2021-08-12 15:59:47 |
| R22.htm | 32319 | 2021-08-12 15:59:47 |
| R23.htm | 11496 | 2021-08-12 15:59:47 |
| R24.htm | 21319 | 2021-08-12 15:59:47 |
| R25.htm | 18264 | 2021-08-12 15:59:47 |
| R26.htm | 8112 | 2021-08-12 15:59:47 |
| R27.htm | 27000 | 2021-08-12 15:59:47 |
| R28.htm | 4987 | 2021-08-12 15:59:47 |
| R29.htm | 4548 | 2021-08-12 15:59:47 |
| R3.htm | 135714 | 2021-08-12 15:59:47 |
| R30.htm | 7615 | 2021-08-12 15:59:47 |
| R31.htm | 25530 | 2021-08-12 15:59:47 |
| R32.htm | 27868 | 2021-08-12 15:59:47 |
| R33.htm | 18711 | 2021-08-12 15:59:47 |
| R34.htm | 9557 | 2021-08-12 15:59:47 |
| R35.htm | 5521 | 2021-08-12 15:59:47 |
| R36.htm | 26730 | 2021-08-12 15:59:47 |
| R37.htm | 16729 | 2021-08-12 15:59:47 |
| R38.htm | 53681 | 2021-08-12 15:59:47 |
| R39.htm | 10661 | 2021-08-12 15:59:47 |
| R4.htm | 21275 | 2021-08-12 15:59:47 |
| R40.htm | 13304 | 2021-08-12 15:59:47 |
| R41.htm | 31837 | 2021-08-12 15:59:47 |
| R42.htm | 13023 | 2021-08-12 15:59:47 |
| R5.htm | 97095 | 2021-08-12 15:59:47 |
| R6.htm | 33774 | 2021-08-12 15:59:47 |
| R7.htm | 103357 | 2021-08-12 15:59:47 |
| R8.htm | 8426 | 2021-08-12 15:59:47 |
| R9.htm | 69983 | 2021-08-12 15:59:47 |
| report.css | 2767 | 2021-08-12 15:59:47 |
| Show.js | 1085 | 2021-08-12 15:59:47 |