Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-24-000760-index-headers.html | 2024-02-05 14:43:52 | |
| 0001558370-24-000760-index.html | 2024-02-05 14:43:52 | |
| 0001558370-24-000760.txt | 2024-02-05 14:43:52 | |
 0001558370-24-000760-xbrl.zip | 231250 | 2024-02-05 14:43:52 |
| FilingSummary.xml | 36916 | 2024-02-05 14:43:52 |
| Financial_Report.xlsx | 102791 | 2024-02-05 14:43:52 |
| MetaLinks.json | 804617 | 2024-02-05 14:43:52 |
| nssc-20231231.xsd | 44475 | 2024-02-05 14:43:52 |
| nssc-20231231x10q.htm | 1870116 | 2024-02-05 14:43:52 |
| nssc-20231231x10q_htm.xml | 2018569 | 2024-02-05 14:43:52 |
| nssc-20231231xex31d1.htm | 9830 | 2024-02-05 14:43:52 |
| nssc-20231231xex31d2.htm | 9827 | 2024-02-05 14:43:52 |
| nssc-20231231xex32d1.htm | 9668 | 2024-02-05 14:43:52 |
| nssc-20231231_cal.xml | 53767 | 2024-02-05 14:43:52 |
| nssc-20231231_def.xml | 239985 | 2024-02-05 14:43:52 |
| nssc-20231231_lab.xml | 428276 | 2024-02-05 14:43:52 |
| nssc-20231231_pre.xml | 369357 | 2024-02-05 14:43:52 |
| R1.htm | 51593 | 2024-02-05 14:43:52 |
| R10.htm | 5524 | 2024-02-05 14:43:52 |
| R11.htm | 53085 | 2024-02-05 14:43:52 |
| R12.htm | 25912 | 2024-02-05 14:43:52 |
| R13.htm | 33648 | 2024-02-05 14:43:52 |
| R14.htm | 10005 | 2024-02-05 14:43:52 |
| R15.htm | 8493 | 2024-02-05 14:43:52 |
| R16.htm | 400305 | 2024-02-05 14:43:52 |
| R17.htm | 6951 | 2024-02-05 14:43:52 |
| R18.htm | 8648 | 2024-02-05 14:43:52 |
| R19.htm | 8536 | 2024-02-05 14:43:52 |
| R2.htm | 101824 | 2024-02-05 14:43:52 |
| R20.htm | 25910 | 2024-02-05 14:43:52 |
| R21.htm | 49505 | 2024-02-05 14:43:52 |
| R22.htm | 5725 | 2024-02-05 14:43:52 |
| R23.htm | 222537 | 2024-02-05 14:43:52 |
| R24.htm | 148639 | 2024-02-05 14:43:52 |
| R25.htm | 32043 | 2024-02-05 14:43:52 |
| R26.htm | 50034 | 2024-02-05 14:43:52 |
| R27.htm | 26608 | 2024-02-05 14:43:52 |
| R28.htm | 32019 | 2024-02-05 14:43:52 |
| R29.htm | 164462 | 2024-02-05 14:43:52 |
| R3.htm | 17172 | 2024-02-05 14:43:52 |
| R30.htm | 19338 | 2024-02-05 14:43:52 |
| R31.htm | 46727 | 2024-02-05 14:43:52 |
| R32.htm | 54472 | 2024-02-05 14:43:52 |
| R33.htm | 78398 | 2024-02-05 14:43:52 |
| R34.htm | 36857 | 2024-02-05 14:43:52 |
| R35.htm | 21803 | 2024-02-05 14:43:52 |
| R36.htm | 40638 | 2024-02-05 14:43:52 |
| R37.htm | 17788 | 2024-02-05 14:43:52 |
| R38.htm | 16808 | 2024-02-05 14:43:52 |
| R39.htm | 13162 | 2024-02-05 14:43:52 |
| R4.htm | 82066 | 2024-02-05 14:43:52 |
| R40.htm | 8465 | 2024-02-05 14:43:52 |
| R41.htm | 12331 | 2024-02-05 14:43:52 |
| R42.htm | 11283 | 2024-02-05 14:43:52 |
| R43.htm | 8434 | 2024-02-05 14:43:52 |
| R44.htm | 45469 | 2024-02-05 14:43:52 |
| R45.htm | 22413 | 2024-02-05 14:43:52 |
| R46.htm | 38295 | 2024-02-05 14:43:52 |
| R47.htm | 130337 | 2024-02-05 14:43:52 |
| R48.htm | 27418 | 2024-02-05 14:43:52 |
| R49.htm | 74426 | 2024-02-05 14:43:52 |
| R5.htm | 48754 | 2024-02-05 14:43:52 |
| R50.htm | 48193 | 2024-02-05 14:43:52 |
| R51.htm | 17858 | 2024-02-05 14:43:52 |
| R52.htm | 15668 | 2024-02-05 14:43:52 |
| R53.htm | 6334 | 2024-02-05 14:43:52 |
| R54.htm | 23296 | 2024-02-05 14:43:52 |
| R55.htm | 16203 | 2024-02-05 14:43:52 |
| R56.htm | 20647 | 2024-02-05 14:43:52 |
| R57.htm | 31110 | 2024-02-05 14:43:52 |
| R58.htm | 12481 | 2024-02-05 14:43:52 |
| R59.htm | 7823 | 2024-02-05 14:43:52 |
| R6.htm | 4577 | 2024-02-05 14:43:52 |
| R7.htm | 81127 | 2024-02-05 14:43:52 |
| R8.htm | 168254 | 2024-02-05 14:43:52 |
| R9.htm | 37255 | 2024-02-05 14:43:52 |
| report.css | 2767 | 2024-02-05 14:43:52 |
| Show.js | 1085 | 2024-02-05 14:43:52 |