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| 0000071829-25-000017-index.html | 2025-03-11 08:14:07 | |
| 0000071829-25-000017.txt | 2025-03-11 08:14:07 | |
 0000071829-25-000017-xbrl.zip | 18626 | 2025-03-11 08:14:07 |
| a20258kmar10-exhibit991.htm | 8145 | 2025-03-11 08:14:07 |
| FilingSummary.xml | 1683 | 2025-03-11 08:14:07 |
| Financial_Report.xlsx | 5701 | 2025-03-11 08:14:07 |
| MetaLinks.json | 17546 | 2025-03-11 08:14:07 |
 npklogoa.jpg | 6518 | 2025-03-11 08:14:07 |
| nr-20250310.htm | 32443 | 2025-03-11 08:14:07 |
| nr-20250310.xsd | 1789 | 2025-03-11 08:14:07 |
 nr-20250310_g1.jpg | 6518 | 2025-03-11 08:14:07 |
| nr-20250310_htm.xml | 2815 | 2025-03-11 08:14:07 |
| nr-20250310_lab.xml | 22804 | 2025-03-11 08:14:07 |
| nr-20250310_pre.xml | 13056 | 2025-03-11 08:14:07 |
| R1.htm | 39611 | 2025-03-11 08:14:07 |
| report.css | 2767 | 2025-03-11 08:14:07 |
| Show.js | 1085 | 2025-03-11 08:14:07 |