Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-009069-index-headers.html | 2022-05-10 17:18:47 | |
| 0000950170-22-009069-index.html | 2022-05-10 17:18:47 | |
| 0000950170-22-009069.txt | 2022-05-10 17:18:47 | |
 0000950170-22-009069-xbrl.zip | 28609 | 2022-05-10 17:18:47 |
| FilingSummary.xml | 1778 | 2022-05-10 17:18:47 |
| Financial_Report.xlsx | 5694 | 2022-05-10 17:18:47 |
 img246915618_0.jpg | 13143 | 2022-05-10 17:18:47 |
| MetaLinks.json | 17693 | 2022-05-10 17:18:47 |
| nick-20220510.htm | 69728 | 2022-05-10 17:18:47 |
| nick-20220510.xsd | 2505 | 2022-05-10 17:18:47 |
| nick-20220510_htm.xml | 4689 | 2022-05-10 17:18:47 |
| nick-20220510_lab.xml | 13448 | 2022-05-10 17:18:47 |
| nick-20220510_pre.xml | 11038 | 2022-05-10 17:18:47 |
| nick-ex10_1.htm | 123390 | 2022-05-10 17:18:47 |
| nick-ex99_1.htm | 25195 | 2022-05-10 17:18:47 |
| R1.htm | 40246 | 2022-05-10 17:18:47 |
| report.css | 2767 | 2022-05-10 17:18:47 |
| Show.js | 1085 | 2022-05-10 17:18:47 |