Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000865058-21-000034-index-headers.html | 2021-07-26 16:01:06 | |
| 0000865058-21-000034-index.html | 2021-07-26 16:01:06 | |
| 0000865058-21-000034.txt | 2021-07-26 16:01:06 | |
 0000865058-21-000034-xbrl.zip | 12135 | 2021-07-26 16:01:06 |
| a2021augustdividendrelease.htm | 5612 | 2021-07-26 16:01:06 |
| FilingSummary.xml | 1655 | 2021-07-26 16:01:06 |
| Financial_Report.xlsx | 5661 | 2021-07-26 16:01:06 |
| MetaLinks.json | 16949 | 2021-07-26 16:01:06 |
| nsec-20210726.htm | 34476 | 2021-07-26 16:01:06 |
| nsec-20210726.xsd | 1941 | 2021-07-26 16:01:06 |
| nsec-20210726_htm.xml | 11418 | 2021-07-26 16:01:06 |
| nsec-20210726_lab.xml | 23832 | 2021-07-26 16:01:06 |
| nsec-20210726_pre.xml | 12534 | 2021-07-26 16:01:06 |
 nsglogo.jpg | 2297 | 2021-07-26 16:01:06 |
| R1.htm | 38568 | 2021-07-26 16:01:06 |
| report.css | 2767 | 2021-07-26 16:01:06 |
| Show.js | 1085 | 2021-07-26 16:01:06 |