Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-012923-index-headers.html | 2022-07-22 16:03:55 | |
| 0000950170-22-012923-index.html | 2022-07-22 16:03:55 | |
| 0000950170-22-012923.txt | 2022-07-22 16:03:55 | |
 0000950170-22-012923-xbrl.zip | 32255 | 2022-07-22 16:03:55 |
| FilingSummary.xml | 1776 | 2022-07-22 16:03:55 |
| Financial_Report.xlsx | 5717 | 2022-07-22 16:03:55 |
 img246915618_0.jpg | 13143 | 2022-07-22 16:03:55 |
| MetaLinks.json | 17603 | 2022-07-22 16:03:55 |
| nick-20220721.htm | 80083 | 2022-07-22 16:03:55 |
| nick-20220721.xsd | 2479 | 2022-07-22 16:03:55 |
| nick-20220721_htm.xml | 4687 | 2022-07-22 16:03:55 |
| nick-20220721_lab.xml | 13352 | 2022-07-22 16:03:55 |
| nick-20220721_pre.xml | 10942 | 2022-07-22 16:03:55 |
| nick-ex10_1.htm | 152095 | 2022-07-22 16:03:55 |
| nick-ex99_1.htm | 20491 | 2022-07-22 16:03:55 |
| R1.htm | 40086 | 2022-07-22 16:03:55 |
| report.css | 2767 | 2022-07-22 16:03:55 |
| Show.js | 1085 | 2022-07-22 16:03:55 |