Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000865058-22-000007-index-headers.html | 2022-03-04 16:45:56 | |
| 0000865058-22-000007-index.html | 2022-03-04 16:45:56 | |
| 0000865058-22-000007.txt | 2022-03-04 16:45:56 | |
 0000865058-22-000007-xbrl.zip | 19142 | 2022-03-04 16:45:56 |
| a2021q4financialresultsrel.htm | 108502 | 2022-03-04 16:45:56 |
| FilingSummary.xml | 1669 | 2022-03-04 16:45:56 |
| Financial_Report.xlsx | 5665 | 2022-03-04 16:45:56 |
| MetaLinks.json | 16785 | 2022-03-04 16:45:56 |
| nsec-20220304.htm | 35705 | 2022-03-04 16:45:56 |
| nsec-20220304.xsd | 1941 | 2022-03-04 16:45:56 |
| nsec-20220304_htm.xml | 11517 | 2022-03-04 16:45:56 |
| nsec-20220304_lab.xml | 23832 | 2022-03-04 16:45:56 |
| nsec-20220304_pre.xml | 12534 | 2022-03-04 16:45:56 |
 nsglogo.jpg | 2297 | 2022-03-04 16:45:56 |
| R1.htm | 38571 | 2022-03-04 16:45:56 |
| report.css | 2767 | 2022-03-04 16:45:56 |
| Show.js | 1085 | 2022-03-04 16:45:56 |