Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000865058-21-000023-index-headers.html | 2021-04-09 14:00:48 | |
| 0000865058-21-000023-index.html | 2021-04-09 14:00:48 | |
| 0000865058-21-000023.txt | 2021-04-09 14:00:48 | |
 0000865058-21-000023-xbrl.zip | 13289 | 2021-04-09 14:00:48 |
| a2021writtenconsenttoactio.htm | 5574 | 2021-04-09 14:00:48 |
| FilingSummary.xml | 1738 | 2021-04-09 14:00:48 |
| Financial_Report.xlsx | 5663 | 2021-04-09 14:00:48 |
| MetaLinks.json | 17525 | 2021-04-09 14:00:48 |
| nsec-20210409.htm | 34453 | 2021-04-09 14:00:48 |
| nsec-20210409.xsd | 2462 | 2021-04-09 14:00:48 |
| nsec-20210409_cal.xml | 736 | 2021-04-09 14:00:48 |
| nsec-20210409_def.xml | 1669 | 2021-04-09 14:00:48 |
| nsec-20210409_htm.xml | 11424 | 2021-04-09 14:00:48 |
| nsec-20210409_lab.xml | 23970 | 2021-04-09 14:00:48 |
| nsec-20210409_pre.xml | 12672 | 2021-04-09 14:00:48 |
 nsglogo1.jpg | 2297 | 2021-04-09 14:00:48 |
| R1.htm | 38609 | 2021-04-09 14:00:48 |
| report.css | 2767 | 2021-04-09 14:00:48 |
| Show.js | 1085 | 2021-04-09 14:00:48 |