Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-013511-index-headers.html | 2022-07-29 17:01:06 | |
| 0000950170-22-013511-index.html | 2022-07-29 17:01:06 | |
| 0000950170-22-013511.txt | 2022-07-29 17:01:06 | |
 0000950170-22-013511-xbrl.zip | 29835 | 2022-07-29 17:01:06 |
| FilingSummary.xml | 1743 | 2022-07-29 17:01:06 |
| Financial_Report.xlsx | 5718 | 2022-07-29 17:01:06 |
 img246915618_0.jpg | 13143 | 2022-07-29 17:01:06 |
| MetaLinks.json | 17603 | 2022-07-29 17:01:06 |
| nick-20220729.htm | 65796 | 2022-07-29 17:01:06 |
| nick-20220729.xsd | 2479 | 2022-07-29 17:01:06 |
| nick-20220729_htm.xml | 4687 | 2022-07-29 17:01:06 |
| nick-20220729_lab.xml | 13352 | 2022-07-29 17:01:06 |
| nick-20220729_pre.xml | 10942 | 2022-07-29 17:01:06 |
| nick-ex99_1.htm | 853366 | 2022-07-29 17:01:06 |
| R1.htm | 40086 | 2022-07-29 17:01:06 |
| report.css | 2767 | 2022-07-29 17:01:06 |
| Show.js | 1085 | 2022-07-29 17:01:06 |