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| 0000071829-22-000039.txt | 2022-05-04 13:07:40 | |
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| a2022q110qexhibit103.htm | 1420802 | 2022-05-04 13:07:40 |
| a2022q110qexhibit311.htm | 8715 | 2022-05-04 13:07:40 |
| a2022q110qexhibit312.htm | 8681 | 2022-05-04 13:07:40 |
| a2022q110qexhibit321.htm | 4958 | 2022-05-04 13:07:40 |
| a2022q110qexhibit322.htm | 5282 | 2022-05-04 13:07:40 |
| a2022q110qexhibit951.htm | 36084 | 2022-05-04 13:07:40 |
| FilingSummary.xml | 26508 | 2022-05-04 13:07:40 |
| Financial_Report.xlsx | 55845 | 2022-05-04 13:07:40 |
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| nr-20220331.htm | 908261 | 2022-05-04 13:07:40 |
| nr-20220331.xsd | 30397 | 2022-05-04 13:07:40 |
| nr-20220331_cal.xml | 61321 | 2022-05-04 13:07:40 |
| nr-20220331_def.xml | 113966 | 2022-05-04 13:07:40 |
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| nr-20220331_htm.xml | 613459 | 2022-05-04 13:07:40 |
| nr-20220331_lab.xml | 364356 | 2022-05-04 13:07:40 |
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| R1.htm | 53953 | 2022-05-04 13:07:40 |
| R10.htm | 22991 | 2022-05-04 13:07:40 |
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| R21.htm | 23398 | 2022-05-04 13:07:40 |
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| R27.htm | 38806 | 2022-05-04 13:07:40 |
| R28.htm | 4872 | 2022-05-04 13:07:40 |
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| R9.htm | 9914 | 2022-05-04 13:07:40 |
| report.css | 2767 | 2022-05-04 13:07:40 |
| Show.js | 1085 | 2022-05-04 13:07:40 |