Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000865058-22-000005-index-headers.html | 2022-01-27 15:00:53 | |
| 0000865058-22-000005-index.html | 2022-01-27 15:00:53 | |
| 0000865058-22-000005.txt | 2022-01-27 15:00:53 | |
 0000865058-22-000005-xbrl.zip | 12134 | 2022-01-27 15:00:53 |
| a2022januarydividendrelease.htm | 5579 | 2022-01-27 15:00:53 |
| FilingSummary.xml | 1657 | 2022-01-27 15:00:53 |
| Financial_Report.xlsx | 5661 | 2022-01-27 15:00:53 |
| MetaLinks.json | 16785 | 2022-01-27 15:00:53 |
| nsec-20220127.htm | 34596 | 2022-01-27 15:00:53 |
| nsec-20220127.xsd | 1941 | 2022-01-27 15:00:53 |
| nsec-20220127_htm.xml | 11517 | 2022-01-27 15:00:53 |
| nsec-20220127_lab.xml | 23832 | 2022-01-27 15:00:53 |
| nsec-20220127_pre.xml | 12534 | 2022-01-27 15:00:53 |
 nsglogo.jpg | 2297 | 2022-01-27 15:00:53 |
| R1.htm | 38568 | 2022-01-27 15:00:53 |
| report.css | 2767 | 2022-01-27 15:00:53 |
| Show.js | 1085 | 2022-01-27 15:00:53 |