Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-010155-index-headers.html | 2022-05-17 06:03:24 | |
| 0000950170-22-010155-index.html | 2022-05-17 06:03:24 | |
| 0000950170-22-010155.txt | 2022-05-17 06:03:24 | |
 0000950170-22-010155-xbrl.zip | 9265 | 2022-05-17 06:03:24 |
| FilingSummary.xml | 1714 | 2022-05-17 06:03:24 |
| Financial_Report.xlsx | 5933 | 2022-05-17 06:03:24 |
| MetaLinks.json | 18257 | 2022-05-17 06:03:24 |
| nick-20220509.htm | 62546 | 2022-05-17 06:03:24 |
| nick-20220509.xsd | 2505 | 2022-05-17 06:03:24 |
| nick-20220509_htm.xml | 5254 | 2022-05-17 06:03:24 |
| nick-20220509_lab.xml | 14159 | 2022-05-17 06:03:24 |
| nick-20220509_pre.xml | 11472 | 2022-05-17 06:03:24 |
| R1.htm | 42161 | 2022-05-17 06:03:24 |
| report.css | 2766 | 2022-05-17 06:03:24 |
| Show.js | 1084 | 2022-05-17 06:03:24 |