Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-010534-index-headers.html | 2022-05-24 07:31:42 | |
| 0000950170-22-010534-index.html | 2022-05-24 07:31:42 | |
| 0000950170-22-010534.txt | 2022-05-24 07:31:42 | |
 0000950170-22-010534-xbrl.zip | 32714 | 2022-05-24 07:31:42 |
| FilingSummary.xml | 1745 | 2022-05-24 07:31:42 |
| Financial_Report.xlsx | 5695 | 2022-05-24 07:31:42 |
 img246915618_0.jpg | 13143 | 2022-05-24 07:31:42 |
| MetaLinks.json | 17693 | 2022-05-24 07:31:42 |
| nick-20220524.htm | 62666 | 2022-05-24 07:31:42 |
| nick-20220524.xsd | 2505 | 2022-05-24 07:31:42 |
| nick-20220524_htm.xml | 4689 | 2022-05-24 07:31:42 |
| nick-20220524_lab.xml | 13448 | 2022-05-24 07:31:42 |
| nick-20220524_pre.xml | 11038 | 2022-05-24 07:31:42 |
| nick-ex99_1.htm | 1054151 | 2022-05-24 07:31:42 |
| R1.htm | 40246 | 2022-05-24 07:31:42 |
| report.css | 2767 | 2022-05-24 07:31:42 |
| Show.js | 1085 | 2022-05-24 07:31:42 |