Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000071829-20-000027-index-headers.html | 2020-05-05 16:30:20 | |
| 0000071829-20-000027-index.html | 2020-05-05 16:30:20 | |
| 0000071829-20-000027.txt | 2020-05-05 16:30:20 | |
 0000071829-20-000027-xbrl.zip | 43140 | 2020-05-05 16:30:20 |
| a2020q18k-erex991.htm | 372182 | 2020-05-05 16:30:20 |
 ex99-1img001a101.jpg | 5552 | 2020-05-05 16:30:20 |
| FilingSummary.xml | 1771 | 2020-05-05 16:30:20 |
| Financial_Report.xlsx | 5802 | 2020-05-05 16:30:20 |
| MetaLinks.json | 18517 | 2020-05-05 16:30:20 |
| nr-20200505.htm | 56451 | 2020-05-05 16:30:20 |
| nr-20200505.xsd | 2564 | 2020-05-05 16:30:20 |
| nr-20200505_cal.xml | 718 | 2020-05-05 16:30:20 |
| nr-20200505_def.xml | 1655 | 2020-05-05 16:30:20 |
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| nr-20200505_htm.xml | 11474 | 2020-05-05 16:30:20 |
| nr-20200505_lab.xml | 25298 | 2020-05-05 16:30:20 |
| nr-20200505_pre.xml | 13198 | 2020-05-05 16:30:20 |
| R1.htm | 40148 | 2020-05-05 16:30:20 |
| report.css | 2767 | 2020-05-05 16:30:20 |
| Show.js | 1085 | 2020-05-05 16:30:20 |