Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-000568-index-headers.html | 2022-01-31 07:31:11 | |
| 0000950170-22-000568-index.html | 2022-01-31 07:31:11 | |
| 0000950170-22-000568.txt | 2022-01-31 07:31:11 | |
 0000950170-22-000568-xbrl.zip | 34125 | 2022-01-31 07:31:11 |
| FilingSummary.xml | 1748 | 2022-01-31 07:31:11 |
| Financial_Report.xlsx | 5694 | 2022-01-31 07:31:11 |
 img246915618_0.jpg | 13143 | 2022-01-31 07:31:11 |
| MetaLinks.json | 17694 | 2022-01-31 07:31:11 |
| nick-20220131.htm | 62390 | 2022-01-31 07:31:11 |
| nick-20220131.xsd | 2505 | 2022-01-31 07:31:11 |
| nick-20220131_htm.xml | 4689 | 2022-01-31 07:31:11 |
| nick-20220131_lab.xml | 13448 | 2022-01-31 07:31:11 |
| nick-20220131_pre.xml | 11038 | 2022-01-31 07:31:11 |
| nick-ex99_1.htm | 1027424 | 2022-01-31 07:31:11 |
| R1.htm | 40112 | 2022-01-31 07:31:11 |
| report.css | 2767 | 2022-01-31 07:31:11 |
| Show.js | 1085 | 2022-01-31 07:31:11 |