Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-017915-index-headers.html | 2022-08-30 16:24:55 | |
| 0000950170-22-017915-index.html | 2022-08-30 16:24:55 | |
| 0000950170-22-017915.txt | 2022-08-30 16:24:55 | |
 0000950170-22-017915-xbrl.zip | 9034 | 2022-08-30 16:24:55 |
| FilingSummary.xml | 1712 | 2022-08-30 16:24:55 |
| Financial_Report.xlsx | 5727 | 2022-08-30 16:24:55 |
| MetaLinks.json | 17611 | 2022-08-30 16:24:55 |
| nick-20220830.htm | 62532 | 2022-08-30 16:24:55 |
| nick-20220830.xsd | 2479 | 2022-08-30 16:24:55 |
| nick-20220830_htm.xml | 4687 | 2022-08-30 16:24:55 |
| nick-20220830_lab.xml | 13360 | 2022-08-30 16:24:55 |
| nick-20220830_pre.xml | 10942 | 2022-08-30 16:24:55 |
| R1.htm | 39624 | 2022-08-30 16:24:55 |
| report.css | 2766 | 2022-08-30 16:24:55 |
| Show.js | 1084 | 2022-08-30 16:24:55 |