Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-23-065026-index-headers.html | 2023-08-09 16:14:50 | |
| 0001213900-23-065026-index.html | 2023-08-09 16:14:50 | |
| 0001213900-23-065026.txt | 2023-08-09 16:14:50 | |
 0001213900-23-065026-xbrl.zip | 27504 | 2023-08-09 16:14:50 |
| ex991_1.htm | 280433 | 2023-08-09 16:14:50 |
| FilingSummary.xml | 1687 | 2023-08-09 16:14:50 |
| Financial_Report.xlsx | 5795 | 2023-08-09 16:14:50 |
| MetaLinks.json | 20145 | 2023-08-09 16:14:50 |
| nn-20230809.htm | 42606 | 2023-08-09 16:14:50 |
| nn-20230809.xsd | 4675 | 2023-08-09 16:14:50 |
| nn-20230809_cal.xml | 865 | 2023-08-09 16:14:50 |
| nn-20230809_def.xml | 17690 | 2023-08-09 16:14:50 |
| nn-20230809_htm.xml | 4907 | 2023-08-09 16:14:50 |
| nn-20230809_lab.xml | 22904 | 2023-08-09 16:14:50 |
| nn-20230809_pre.xml | 16577 | 2023-08-09 16:14:50 |
| R1.htm | 43401 | 2023-08-09 16:14:50 |
| report.css | 2767 | 2023-08-09 16:14:50 |
| Show.js | 1085 | 2023-08-09 16:14:50 |