Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-012768-index-headers.html | 2022-07-18 17:27:26 | |
| 0000950170-22-012768-index.html | 2022-07-18 17:27:26 | |
| 0000950170-22-012768.txt | 2022-07-18 17:27:26 | |
 0000950170-22-012768-xbrl.zip | 9875 | 2022-07-18 17:27:26 |
| FilingSummary.xml | 1710 | 2022-07-18 17:27:26 |
| Financial_Report.xlsx | 5718 | 2022-07-18 17:27:26 |
| MetaLinks.json | 17603 | 2022-07-18 17:27:26 |
| nick-20220718.htm | 62752 | 2022-07-18 17:27:26 |
| nick-20220718.xsd | 2479 | 2022-07-18 17:27:26 |
| nick-20220718_htm.xml | 4687 | 2022-07-18 17:27:26 |
| nick-20220718_lab.xml | 13352 | 2022-07-18 17:27:26 |
| nick-20220718_pre.xml | 10942 | 2022-07-18 17:27:26 |
| R1.htm | 40086 | 2022-07-18 17:27:26 |
| report.css | 2766 | 2022-07-18 17:27:26 |
| Show.js | 1084 | 2022-07-18 17:27:26 |