Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-011991-index-headers.html | 2022-06-23 08:01:40 | |
| 0000950170-22-011991-index.html | 2022-06-23 08:01:40 | |
| 0000950170-22-011991.txt | 2022-06-23 08:01:40 | |
 0000950170-22-011991-xbrl.zip | 10504 | 2022-06-23 08:01:40 |
| FilingSummary.xml | 1743 | 2022-06-23 08:01:40 |
| Financial_Report.xlsx | 5718 | 2022-06-23 08:01:40 |
| MetaLinks.json | 17603 | 2022-06-23 08:01:40 |
| nick-20220623.htm | 60150 | 2022-06-23 08:01:40 |
| nick-20220623.xsd | 2479 | 2022-06-23 08:01:40 |
| nick-20220623_htm.xml | 4687 | 2022-06-23 08:01:40 |
| nick-20220623_lab.xml | 13352 | 2022-06-23 08:01:40 |
| nick-20220623_pre.xml | 10942 | 2022-06-23 08:01:40 |
| nick-ex99_1.htm | 21555 | 2022-06-23 08:01:40 |
| R1.htm | 40086 | 2022-06-23 08:01:40 |
| report.css | 2767 | 2022-06-23 08:01:40 |
| Show.js | 1084 | 2022-06-23 08:01:40 |