Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-000296-index-headers.html | 2022-01-13 07:31:12 | |
| 0000950170-22-000296-index.html | 2022-01-13 07:31:12 | |
| 0000950170-22-000296.txt | 2022-01-13 07:31:12 | |
 0000950170-22-000296-xbrl.zip | 12416 | 2022-01-13 07:31:12 |
| FilingSummary.xml | 1768 | 2022-01-13 07:31:12 |
| Financial_Report.xlsx | 5694 | 2022-01-13 07:31:12 |
 img246915618_0.jpg | 13143 | 2022-01-13 07:31:12 |
 img60171745_0.jpg | 2209170 | 2022-01-13 07:31:12 |
| MetaLinks.json | 17694 | 2022-01-13 07:31:12 |
| nick-20220113.htm | 63517 | 2022-01-13 07:31:12 |
| nick-20220113.xsd | 2505 | 2022-01-13 07:31:12 |
| nick-20220113_htm.xml | 4689 | 2022-01-13 07:31:12 |
| nick-20220113_lab.xml | 13448 | 2022-01-13 07:31:12 |
| nick-20220113_pre.xml | 11038 | 2022-01-13 07:31:12 |
| nick-ex10_1.htm | 2387 | 2022-01-13 07:31:12 |
| 12518399 | 2022-01-13 07:31:12 | |
| nick-ex99_1.htm | 14836 | 2022-01-13 07:31:12 |
| R1.htm | 40111 | 2022-01-13 07:31:12 |
| report.css | 2767 | 2022-01-13 07:31:12 |
| Show.js | 1085 | 2022-01-13 07:31:12 |