Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-017872-index-headers.html | 2022-08-30 09:53:45 | |
| 0000950170-22-017872-index.html | 2022-08-30 09:53:45 | |
| 0000950170-22-017872.txt | 2022-08-30 09:53:45 | |
 0000950170-22-017872-xbrl.zip | 13378 | 2022-08-30 09:53:45 |
| FilingSummary.xml | 1745 | 2022-08-30 09:53:45 |
| Financial_Report.xlsx | 5719 | 2022-08-30 09:53:45 |
| MetaLinks.json | 17603 | 2022-08-30 09:53:45 |
| nick-20220830.htm | 71271 | 2022-08-30 09:53:45 |
| nick-20220830.xsd | 2479 | 2022-08-30 09:53:45 |
| nick-20220830_htm.xml | 4687 | 2022-08-30 09:53:45 |
| nick-20220830_lab.xml | 13352 | 2022-08-30 09:53:45 |
| nick-20220830_pre.xml | 10942 | 2022-08-30 09:53:45 |
| nick-ex99_1.htm | 8567 | 2022-08-30 09:53:45 |
 nick-ex99_1s1.jpg | 36487 | 2022-08-30 09:53:45 |
 nick-ex99_1s10.jpg | 41939 | 2022-08-30 09:53:45 |
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 nick-ex99_1s2.jpg | 88501 | 2022-08-30 09:53:45 |
 nick-ex99_1s3.jpg | 77576 | 2022-08-30 09:53:45 |
 nick-ex99_1s4.jpg | 42234 | 2022-08-30 09:53:45 |
 nick-ex99_1s5.jpg | 53971 | 2022-08-30 09:53:45 |
 nick-ex99_1s6.jpg | 44916 | 2022-08-30 09:53:45 |
 nick-ex99_1s7.jpg | 80184 | 2022-08-30 09:53:45 |
 nick-ex99_1s8.jpg | 61359 | 2022-08-30 09:53:45 |
 nick-ex99_1s9.jpg | 41389 | 2022-08-30 09:53:45 |
| R1.htm | 39617 | 2022-08-30 09:53:45 |
| report.css | 2767 | 2022-08-30 09:53:45 |
| Show.js | 1085 | 2022-08-30 09:53:45 |