Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-029127-index-headers.html | 2023-06-21 15:29:00 | |
| 0000950170-23-029127-index.html | 2023-06-21 15:29:00 | |
| 0000950170-23-029127.txt | 2023-06-21 15:29:00 | |
 0000950170-23-029127-xbrl.zip | 34594 | 2023-06-21 15:29:00 |
| FilingSummary.xml | 1743 | 2023-06-21 15:29:00 |
| Financial_Report.xlsx | 5716 | 2023-06-21 15:29:00 |
 img246915618_0.jpg | 13143 | 2023-06-21 15:29:00 |
| MetaLinks.json | 18135 | 2023-06-21 15:29:00 |
| nick-20230621.htm | 67974 | 2023-06-21 15:29:00 |
| nick-20230621.xsd | 2479 | 2023-06-21 15:29:00 |
| nick-20230621_htm.xml | 4684 | 2023-06-21 15:29:00 |
| nick-20230621_lab.xml | 13352 | 2023-06-21 15:29:00 |
| nick-20230621_pre.xml | 10998 | 2023-06-21 15:29:00 |
| nick-ex99_1.htm | 1140454 | 2023-06-21 15:29:00 |
| R1.htm | 39611 | 2023-06-21 15:29:00 |
| report.css | 2767 | 2023-06-21 15:29:00 |
| Show.js | 1085 | 2023-06-21 15:29:00 |