Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000071829-22-000018-index-headers.html | 2022-03-04 08:37:41 | |
| 0000071829-22-000018-index.html | 2022-03-04 08:37:41 | |
| 0000071829-22-000018.txt | 2022-03-04 08:37:41 | |
 0000071829-22-000018-xbrl.zip | 30879 | 2022-03-04 08:37:41 |
| a20228kfeb28exhibit991.htm | 12450 | 2022-03-04 08:37:41 |
| FilingSummary.xml | 1748 | 2022-03-04 08:37:41 |
| Financial_Report.xlsx | 5719 | 2022-03-04 08:37:41 |
 image_0.jpg | 77366 | 2022-03-04 08:37:41 |
| MetaLinks.json | 20534 | 2022-03-04 08:37:41 |
| nr-20220228.htm | 48806 | 2022-03-04 08:37:41 |
| nr-20220228.xsd | 2300 | 2022-03-04 08:37:41 |
| nr-20220228_def.xml | 5693 | 2022-03-04 08:37:41 |
 nr-20220228_g1.jpg | 11318 | 2022-03-04 08:37:41 |
| nr-20220228_htm.xml | 12172 | 2022-03-04 08:37:41 |
| nr-20220228_lab.xml | 29996 | 2022-03-04 08:37:41 |
| nr-20220228_pre.xml | 15747 | 2022-03-04 08:37:41 |
| R1.htm | 43040 | 2022-03-04 08:37:41 |
| report.css | 2767 | 2022-03-04 08:37:41 |
| Show.js | 1085 | 2022-03-04 08:37:41 |