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| 0001564590-19-031992-index.html | 2019-08-14 09:01:49 | |
| 0001564590-19-031992.txt | 2019-08-14 09:01:49 | |
 0001564590-19-031992-xbrl.zip | 115518 | 2019-08-14 09:01:49 |
| FilingSummary.xml | 33540 | 2019-08-14 09:01:49 |
| Financial_Report.xlsx | 58129 | 2019-08-14 09:01:49 |
| nick-10q_20190630.htm | 1498380 | 2019-08-14 09:01:49 |
| nick-20190630.xml | 1648641 | 2019-08-14 09:01:49 |
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| report.css | 2767 | 2019-08-14 09:01:49 |
| Show.js | 1085 | 2019-08-14 09:01:49 |