Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-22-046118-index-headers.html | 2022-08-10 09:10:54 | |
| 0001213900-22-046118-index.html | 2022-08-10 09:10:54 | |
| 0001213900-22-046118.txt | 2022-08-10 09:10:54 | |
 0001213900-22-046118-xbrl.zip | 15928 | 2022-08-10 09:10:54 |
| ex991_1.htm | 10009 | 2022-08-10 09:10:54 |
| FilingSummary.xml | 1686 | 2022-08-10 09:10:54 |
| Financial_Report.xlsx | 5828 | 2022-08-10 09:10:54 |
| MetaLinks.json | 19746 | 2022-08-10 09:10:54 |
| nn-20220809.htm | 43026 | 2022-08-10 09:10:54 |
| nn-20220809.xsd | 4674 | 2022-08-10 09:10:54 |
| nn-20220809_cal.xml | 865 | 2022-08-10 09:10:54 |
| nn-20220809_def.xml | 17690 | 2022-08-10 09:10:54 |
| nn-20220809_htm.xml | 4906 | 2022-08-10 09:10:54 |
| nn-20220809_lab.xml | 24336 | 2022-08-10 09:10:54 |
| nn-20220809_pre.xml | 16577 | 2022-08-10 09:10:54 |
| R1.htm | 43923 | 2022-08-10 09:10:54 |
| report.css | 2767 | 2022-08-10 09:10:54 |
| Show.js | 1085 | 2022-08-10 09:10:54 |