Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-23-041985-index-headers.html | 2023-05-22 16:15:20 | |
| 0001213900-23-041985-index.html | 2023-05-22 16:15:20 | |
| 0001213900-23-041985.txt | 2023-05-22 16:15:20 | |
 0001213900-23-041985-xbrl.zip | 13317 | 2023-05-22 16:15:20 |
| FilingSummary.xml | 1658 | 2023-05-22 16:15:20 |
| Financial_Report.xlsx | 5790 | 2023-05-22 16:15:20 |
| MetaLinks.json | 20151 | 2023-05-22 16:15:20 |
| nn-20230518.htm | 62281 | 2023-05-22 16:15:20 |
| nn-20230518.xsd | 4675 | 2023-05-22 16:15:20 |
| nn-20230518_cal.xml | 865 | 2023-05-22 16:15:20 |
| nn-20230518_def.xml | 17750 | 2023-05-22 16:15:20 |
| nn-20230518_htm.xml | 4906 | 2023-05-22 16:15:20 |
| nn-20230518_lab.xml | 22904 | 2023-05-22 16:15:20 |
| nn-20230518_pre.xml | 16633 | 2023-05-22 16:15:20 |
| R1.htm | 43397 | 2023-05-22 16:15:20 |
| report.css | 2767 | 2023-05-22 16:15:20 |
| Show.js | 1085 | 2023-05-22 16:15:20 |