Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-042930-index-headers.html | 2023-08-16 10:14:43 | |
| 0000950170-23-042930-index.html | 2023-08-16 10:14:43 | |
| 0000950170-23-042930.txt | 2023-08-16 10:14:43 | |
 0000950170-23-042930-xbrl.zip | 29642 | 2023-08-16 10:14:43 |
| FilingSummary.xml | 1743 | 2023-08-16 10:14:43 |
| Financial_Report.xlsx | 5665 | 2023-08-16 10:14:43 |
 img246915618_0.jpg | 13143 | 2023-08-16 10:14:43 |
| MetaLinks.json | 18203 | 2023-08-16 10:14:43 |
| nick-20230815.htm | 65980 | 2023-08-16 10:14:43 |
| nick-20230815.xsd | 2479 | 2023-08-16 10:14:43 |
| nick-20230815_htm.xml | 4301 | 2023-08-16 10:14:43 |
| nick-20230815_lab.xml | 13360 | 2023-08-16 10:14:43 |
| nick-20230815_pre.xml | 10998 | 2023-08-16 10:14:43 |
| nick-ex99_1.htm | 845386 | 2023-08-16 10:14:43 |
| R1.htm | 36548 | 2023-08-16 10:14:43 |
| report.css | 2767 | 2023-08-16 10:14:43 |
| Show.js | 1085 | 2023-08-16 10:14:43 |