Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-002356-index-headers.html | 2023-02-09 16:25:33 | |
| 0000950170-23-002356-index.html | 2023-02-09 16:25:33 | |
| 0000950170-23-002356.txt | 2023-02-09 16:25:33 | |
 0000950170-23-002356-xbrl.zip | 33999 | 2023-02-09 16:25:33 |
| FilingSummary.xml | 1743 | 2023-02-09 16:25:33 |
| Financial_Report.xlsx | 5722 | 2023-02-09 16:25:33 |
 img246915618_0.jpg | 13143 | 2023-02-09 16:25:33 |
| MetaLinks.json | 18135 | 2023-02-09 16:25:33 |
| nick-20230209.htm | 68037 | 2023-02-09 16:25:33 |
| nick-20230209.xsd | 2479 | 2023-02-09 16:25:33 |
| nick-20230209_htm.xml | 4687 | 2023-02-09 16:25:33 |
| nick-20230209_lab.xml | 13352 | 2023-02-09 16:25:33 |
| nick-20230209_pre.xml | 10998 | 2023-02-09 16:25:33 |
| nick-ex99_1.htm | 1108245 | 2023-02-09 16:25:33 |
| R1.htm | 39615 | 2023-02-09 16:25:33 |
| report.css | 2767 | 2023-02-09 16:25:33 |
| Show.js | 1085 | 2023-02-09 16:25:33 |