Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-22-046112-index-headers.html | 2022-08-10 09:05:04 | |
| 0001213900-22-046112-index.html | 2022-08-10 09:05:04 | |
| 0001213900-22-046112.txt | 2022-08-10 09:05:04 | |
 0001213900-22-046112-xbrl.zip | 18064 | 2022-08-10 09:05:04 |
| ex991_1.htm | 24994 | 2022-08-10 09:05:04 |
| FilingSummary.xml | 1687 | 2022-08-10 09:05:04 |
| Financial_Report.xlsx | 5789 | 2022-08-10 09:05:04 |
| MetaLinks.json | 19553 | 2022-08-10 09:05:04 |
| nn-20220810.htm | 38229 | 2022-08-10 09:05:04 |
| nn-20220810.xsd | 4675 | 2022-08-10 09:05:04 |
| nn-20220810_cal.xml | 865 | 2022-08-10 09:05:04 |
| nn-20220810_def.xml | 17690 | 2022-08-10 09:05:04 |
| nn-20220810_htm.xml | 4904 | 2022-08-10 09:05:04 |
| nn-20220810_lab.xml | 22904 | 2022-08-10 09:05:04 |
| nn-20220810_pre.xml | 16577 | 2022-08-10 09:05:04 |
| R1.htm | 43905 | 2022-08-10 09:05:04 |
| report.css | 2767 | 2022-08-10 09:05:04 |
| Show.js | 1085 | 2022-08-10 09:05:04 |