Name | Size | Last Modified |
---|---|---|
0000865058-22-000011-index-headers.html | 2022-03-23 17:05:25 | |
0000865058-22-000011-index.html | 2022-03-23 17:05:25 | |
0000865058-22-000011.txt | 2022-03-23 17:05:25 | |
0000865058-22-000011-xbrl.zip | 542362 | 2022-03-23 17:05:25 |
exhibit21112312021.htm | 3451 | 2022-03-23 17:05:25 |
exhibit23112-31x2021.htm | 3530 | 2022-03-23 17:05:25 |
exhibit31112-31x2021.htm | 8367 | 2022-03-23 17:05:25 |
exhibit31212-31x2021.htm | 8275 | 2022-03-23 17:05:25 |
exhibit32112-31x2021.htm | 5102 | 2022-03-23 17:05:25 |
FilingSummary.xml | 67462 | 2022-03-23 17:05:25 |
Financial_Report.xlsx | 158609 | 2022-03-23 17:05:25 |
letterheada01.jpg | 14551 | 2022-03-23 17:05:25 |
MetaLinks.json | 1106035 | 2022-03-23 17:05:25 |
nsec-20211231.htm | 4003774 | 2022-03-23 17:05:25 |
nsec-20211231.xsd | 83451 | 2022-03-23 17:05:25 |
nsec-20211231_cal.xml | 147378 | 2022-03-23 17:05:25 |
nsec-20211231_def.xml | 488733 | 2022-03-23 17:05:25 |
nsec-20211231_g1.jpg | 2297 | 2022-03-23 17:05:25 |
nsec-20211231_htm.xml | 3578183 | 2022-03-23 17:05:25 |
nsec-20211231_lab.xml | 1038989 | 2022-03-23 17:05:25 |
nsec-20211231_pre.xml | 739485 | 2022-03-23 17:05:25 |
R1.htm | 63597 | 2022-03-23 17:05:25 |
R10.htm | 54569 | 2022-03-23 17:05:25 |
R100.htm | 34947 | 2022-03-23 17:05:25 |
R101.htm | 10733 | 2022-03-23 17:05:25 |
R11.htm | 17599 | 2022-03-23 17:05:25 |
R12.htm | 8174 | 2022-03-23 17:05:25 |
R13.htm | 194601 | 2022-03-23 17:05:25 |
R14.htm | 136275 | 2022-03-23 17:05:25 |
R15.htm | 14262 | 2022-03-23 17:05:25 |
R16.htm | 56402 | 2022-03-23 17:05:25 |
R17.htm | 36744 | 2022-03-23 17:05:25 |
R18.htm | 215293 | 2022-03-23 17:05:25 |
R19.htm | 12341 | 2022-03-23 17:05:25 |
R2.htm | 7883 | 2022-03-23 17:05:25 |
R20.htm | 7335 | 2022-03-23 17:05:25 |
R21.htm | 7152 | 2022-03-23 17:05:25 |
R22.htm | 32864 | 2022-03-23 17:05:25 |
R23.htm | 40492 | 2022-03-23 17:05:25 |
R24.htm | 161851 | 2022-03-23 17:05:25 |
R25.htm | 7016 | 2022-03-23 17:05:25 |
R26.htm | 5370 | 2022-03-23 17:05:25 |
R27.htm | 5202 | 2022-03-23 17:05:25 |
R28.htm | 80189 | 2022-03-23 17:05:25 |
R29.htm | 71048 | 2022-03-23 17:05:25 |
R3.htm | 119177 | 2022-03-23 17:05:25 |
R30.htm | 60985 | 2022-03-23 17:05:25 |
R31.htm | 37916 | 2022-03-23 17:05:25 |
R32.htm | 12523 | 2022-03-23 17:05:25 |
R33.htm | 130063 | 2022-03-23 17:05:25 |
R34.htm | 9630 | 2022-03-23 17:05:25 |
R35.htm | 18668 | 2022-03-23 17:05:25 |
R36.htm | 200608 | 2022-03-23 17:05:25 |
R37.htm | 126052 | 2022-03-23 17:05:25 |
R38.htm | 13541 | 2022-03-23 17:05:25 |
R39.htm | 56355 | 2022-03-23 17:05:25 |
R4.htm | 9056 | 2022-03-23 17:05:25 |
R40.htm | 38021 | 2022-03-23 17:05:25 |
R41.htm | 214977 | 2022-03-23 17:05:25 |
R42.htm | 7178 | 2022-03-23 17:05:25 |
R43.htm | 28242 | 2022-03-23 17:05:25 |
R44.htm | 41350 | 2022-03-23 17:05:25 |
R45.htm | 160305 | 2022-03-23 17:05:25 |
R46.htm | 17337 | 2022-03-23 17:05:25 |
R47.htm | 22260 | 2022-03-23 17:05:25 |
R48.htm | 10908 | 2022-03-23 17:05:25 |
R49.htm | 7120 | 2022-03-23 17:05:25 |
R5.htm | 73573 | 2022-03-23 17:05:25 |
R50.htm | 12611 | 2022-03-23 17:05:25 |
R51.htm | 9537 | 2022-03-23 17:05:25 |
R52.htm | 19125 | 2022-03-23 17:05:25 |
R53.htm | 19553 | 2022-03-23 17:05:25 |
R54.htm | 28275 | 2022-03-23 17:05:25 |
R55.htm | 15702 | 2022-03-23 17:05:25 |
R56.htm | 45846 | 2022-03-23 17:05:25 |
R57.htm | 15161 | 2022-03-23 17:05:25 |
R58.htm | 51502 | 2022-03-23 17:05:25 |
R59.htm | 48483 | 2022-03-23 17:05:25 |
R6.htm | 23686 | 2022-03-23 17:05:25 |
R60.htm | 21853 | 2022-03-23 17:05:25 |
R61.htm | 20630 | 2022-03-23 17:05:25 |
R62.htm | 10037 | 2022-03-23 17:05:25 |
R63.htm | 14015 | 2022-03-23 17:05:25 |
R64.htm | 69536 | 2022-03-23 17:05:25 |
R65.htm | 49756 | 2022-03-23 17:05:25 |
R66.htm | 27397 | 2022-03-23 17:05:25 |
R67.htm | 19753 | 2022-03-23 17:05:25 |
R68.htm | 8223 | 2022-03-23 17:05:25 |
R69.htm | 32438 | 2022-03-23 17:05:25 |
R7.htm | 5574 | 2022-03-23 17:05:25 |
R70.htm | 23608 | 2022-03-23 17:05:25 |
R71.htm | 15663 | 2022-03-23 17:05:25 |
R72.htm | 13443 | 2022-03-23 17:05:25 |
R73.htm | 27291 | 2022-03-23 17:05:25 |
R74.htm | 19058 | 2022-03-23 17:05:25 |
R75.htm | 26273 | 2022-03-23 17:05:25 |
R76.htm | 32881 | 2022-03-23 17:05:25 |
R77.htm | 21815 | 2022-03-23 17:05:25 |
R78.htm | 110367 | 2022-03-23 17:05:25 |
R79.htm | 27050 | 2022-03-23 17:05:25 |
R8.htm | 31924 | 2022-03-23 17:05:25 |
R80.htm | 30115 | 2022-03-23 17:05:25 |
R81.htm | 29063 | 2022-03-23 17:05:25 |
R82.htm | 18410 | 2022-03-23 17:05:25 |
R83.htm | 10413 | 2022-03-23 17:05:25 |
R84.htm | 32927 | 2022-03-23 17:05:25 |
R85.htm | 24814 | 2022-03-23 17:05:25 |
R86.htm | 25832 | 2022-03-23 17:05:25 |
R87.htm | 27230 | 2022-03-23 17:05:25 |
R88.htm | 4833 | 2022-03-23 17:05:25 |
R89.htm | 86104 | 2022-03-23 17:05:25 |
R9.htm | 77711 | 2022-03-23 17:05:25 |
R90.htm | 24798 | 2022-03-23 17:05:25 |
R91.htm | 27529 | 2022-03-23 17:05:25 |
R92.htm | 10869 | 2022-03-23 17:05:25 |
R93.htm | 20296 | 2022-03-23 17:05:25 |
R94.htm | 72798 | 2022-03-23 17:05:25 |
R95.htm | 61459 | 2022-03-23 17:05:25 |
R96.htm | 60566 | 2022-03-23 17:05:25 |
R97.htm | 52704 | 2022-03-23 17:05:25 |
R98.htm | 6252 | 2022-03-23 17:05:25 |
R99.htm | 39840 | 2022-03-23 17:05:25 |
report.css | 2768 | 2022-03-23 17:05:25 |
Show.js | 1086 | 2022-03-23 17:05:25 |