Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000865058-21-000003-index-headers.html | 2021-01-25 16:45:39 | |
| 0000865058-21-000003-index.html | 2021-01-25 16:45:39 | |
| 0000865058-21-000003.txt | 2021-01-25 16:45:39 | |
 0000865058-21-000003-xbrl.zip | 13406 | 2021-01-25 16:45:39 |
| a2021februarydividendrelea.htm | 5512 | 2021-01-25 16:45:39 |
| FilingSummary.xml | 1738 | 2021-01-25 16:45:39 |
| Financial_Report.xlsx | 5442 | 2021-01-25 16:45:39 |
| MetaLinks.json | 17525 | 2021-01-25 16:45:39 |
| nsec-20210125.htm | 34595 | 2021-01-25 16:45:39 |
| nsec-20210125.xsd | 2462 | 2021-01-25 16:45:39 |
| nsec-20210125_cal.xml | 736 | 2021-01-25 16:45:39 |
| nsec-20210125_def.xml | 1669 | 2021-01-25 16:45:39 |
| nsec-20210125_htm.xml | 11558 | 2021-01-25 16:45:39 |
| nsec-20210125_lab.xml | 23970 | 2021-01-25 16:45:39 |
| nsec-20210125_pre.xml | 12672 | 2021-01-25 16:45:39 |
 nsglogo1.jpg | 2297 | 2021-01-25 16:45:39 |
| R1.htm | 38608 | 2021-01-25 16:45:39 |
| report.css | 2767 | 2021-01-25 16:45:39 |
| Show.js | 1085 | 2021-01-25 16:45:39 |