Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-002494-index-headers.html | 2021-10-29 09:00:20 | |
| 0000950170-21-002494-index.html | 2021-10-29 09:00:20 | |
| 0000950170-21-002494.txt | 2021-10-29 09:00:20 | |
 0000950170-21-002494-xbrl.zip | 32778 | 2021-10-29 09:00:20 |
| FilingSummary.xml | 1738 | 2021-10-29 09:00:20 |
| Financial_Report.xlsx | 5694 | 2021-10-29 09:00:20 |
 img246915618_0.jpg | 13143 | 2021-10-29 09:00:20 |
| MetaLinks.json | 18105 | 2021-10-29 09:00:20 |
| nick-20211029.htm | 63714 | 2021-10-29 09:00:20 |
| nick-20211029.xsd | 2514 | 2021-10-29 09:00:20 |
| nick-20211029_htm.xml | 4693 | 2021-10-29 09:00:20 |
| nick-20211029_lab.xml | 13496 | 2021-10-29 09:00:20 |
| nick-20211029_pre.xml | 11086 | 2021-10-29 09:00:20 |
| nick-ex99_1.htm | 1006261 | 2021-10-29 09:00:20 |
| R1.htm | 40157 | 2021-10-29 09:00:20 |
| report.css | 2767 | 2021-10-29 09:00:20 |
| Show.js | 1085 | 2021-10-29 09:00:20 |