Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000071829-22-000003-index.html | 2022-02-17 16:27:58 | |
| 0000071829-22-000003.txt | 2022-02-17 16:27:58 | |
 0000071829-22-000003-xbrl.zip | 40786 | 2022-02-17 16:27:58 |
| a2021q48k-erex991.htm | 290957 | 2022-02-17 16:27:58 |
| FilingSummary.xml | 1743 | 2022-02-17 16:27:58 |
| Financial_Report.xlsx | 5726 | 2022-02-17 16:27:58 |
| MetaLinks.json | 21066 | 2022-02-17 16:27:58 |
 newparklogo2020.jpg | 10502 | 2022-02-17 16:27:58 |
| nr-20220217.htm | 40498 | 2022-02-17 16:27:58 |
| nr-20220217.xsd | 2300 | 2022-02-17 16:27:58 |
| nr-20220217_def.xml | 6214 | 2022-02-17 16:27:58 |
 nr-20220217_g1.jpg | 11318 | 2022-02-17 16:27:58 |
| nr-20220217_htm.xml | 12172 | 2022-02-17 16:27:58 |
| nr-20220217_lab.xml | 31036 | 2022-02-17 16:27:58 |
| nr-20220217_pre.xml | 16333 | 2022-02-17 16:27:58 |
| R1.htm | 43069 | 2022-02-17 16:27:58 |
| report.css | 2767 | 2022-02-17 16:27:58 |
| Show.js | 1085 | 2022-02-17 16:27:58 |