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| 0001564590-19-043374-index.html | 2019-11-14 08:31:45 | |
| 0001564590-19-043374.txt | 2019-11-14 08:31:45 | |
 0001564590-19-043374-xbrl.zip | 124877 | 2019-11-14 08:31:45 |
| FilingSummary.xml | 34119 | 2019-11-14 08:31:45 |
| Financial_Report.xlsx | 61770 | 2019-11-14 08:31:45 |
| nick-10q_20190930.htm | 2152214 | 2019-11-14 08:31:45 |
| nick-20190930.xml | 1979062 | 2019-11-14 08:31:45 |
| nick-20190930.xsd | 49143 | 2019-11-14 08:31:45 |
| nick-20190930_cal.xml | 58594 | 2019-11-14 08:31:45 |
| nick-20190930_def.xml | 153153 | 2019-11-14 08:31:45 |
| nick-20190930_lab.xml | 347483 | 2019-11-14 08:31:45 |
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| nick-ex312_6.htm | 18368 | 2019-11-14 08:31:45 |
| nick-ex321_9.htm | 3663 | 2019-11-14 08:31:45 |
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| report.css | 2767 | 2019-11-14 08:31:45 |
| Show.js | 1085 | 2019-11-14 08:31:45 |