Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-017875-index-headers.html | 2022-08-30 11:17:14 | |
| 0000950170-22-017875-index.html | 2022-08-30 11:17:14 | |
| 0000950170-22-017875.txt | 2022-08-30 11:17:14 | |
 0000950170-22-017875-xbrl.zip | 9762 | 2022-08-30 11:17:14 |
| FilingSummary.xml | 1712 | 2022-08-30 11:17:14 |
| Financial_Report.xlsx | 5727 | 2022-08-30 11:17:14 |
| MetaLinks.json | 17611 | 2022-08-30 11:17:14 |
| nick-20220830.htm | 98868 | 2022-08-30 11:17:14 |
| nick-20220830.xsd | 2479 | 2022-08-30 11:17:14 |
| nick-20220830_htm.xml | 4687 | 2022-08-30 11:17:14 |
| nick-20220830_lab.xml | 13360 | 2022-08-30 11:17:14 |
| nick-20220830_pre.xml | 10942 | 2022-08-30 11:17:14 |
| R1.htm | 39624 | 2022-08-30 11:17:14 |
| report.css | 2766 | 2022-08-30 11:17:14 |
| Show.js | 1084 | 2022-08-30 11:17:14 |