Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-22-068422-index-headers.html | 2022-11-02 08:44:48 | |
| 0001213900-22-068422-index.html | 2022-11-02 08:44:48 | |
| 0001213900-22-068422.txt | 2022-11-02 08:44:48 | |
 0001213900-22-068422-xbrl.zip | 114107 | 2022-11-02 08:44:48 |
| ex101_1.htm | 1246619 | 2022-11-02 08:44:48 |
| ex991_2.htm | 47158 | 2022-11-02 08:44:48 |
| FilingSummary.xml | 1946 | 2022-11-02 08:44:48 |
| Financial_Report.xlsx | 5791 | 2022-11-02 08:44:48 |
| MetaLinks.json | 19587 | 2022-11-02 08:44:48 |
| nn-20221031.htm | 75709 | 2022-11-02 08:44:48 |
| nn-20221031.xsd | 4675 | 2022-11-02 08:44:48 |
| nn-20221031_cal.xml | 865 | 2022-11-02 08:44:48 |
| nn-20221031_def.xml | 17720 | 2022-11-02 08:44:48 |
| nn-20221031_htm.xml | 4951 | 2022-11-02 08:44:48 |
| nn-20221031_lab.xml | 22904 | 2022-11-02 08:44:48 |
| nn-20221031_pre.xml | 16567 | 2022-11-02 08:44:48 |
| R1.htm | 43402 | 2022-11-02 08:44:48 |
| report.css | 2767 | 2022-11-02 08:44:48 |
| Show.js | 1085 | 2022-11-02 08:44:48 |