Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-22-071171-index-headers.html | 2022-11-10 16:10:53 | |
| 0001213900-22-071171-index.html | 2022-11-10 16:10:53 | |
| 0001213900-22-071171.txt | 2022-11-10 16:10:53 | |
 0001213900-22-071171-xbrl.zip | 17878 | 2022-11-10 16:10:53 |
| ex991_1.htm | 26331 | 2022-11-10 16:10:53 |
| FilingSummary.xml | 1917 | 2022-11-10 16:10:53 |
| Financial_Report.xlsx | 5792 | 2022-11-10 16:10:53 |
| MetaLinks.json | 19553 | 2022-11-10 16:10:53 |
| nn-20221110.htm | 38596 | 2022-11-10 16:10:53 |
| nn-20221110.xsd | 4675 | 2022-11-10 16:10:53 |
| nn-20221110_cal.xml | 865 | 2022-11-10 16:10:53 |
| nn-20221110_def.xml | 17690 | 2022-11-10 16:10:53 |
| nn-20221110_htm.xml | 4907 | 2022-11-10 16:10:53 |
| nn-20221110_lab.xml | 22904 | 2022-11-10 16:10:53 |
| nn-20221110_pre.xml | 16577 | 2022-11-10 16:10:53 |
| R1.htm | 43402 | 2022-11-10 16:10:53 |
| report.css | 2767 | 2022-11-10 16:10:53 |
| Show.js | 1085 | 2022-11-10 16:10:53 |