Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-018648-index-headers.html | 2021-08-05 10:22:58 | |
| 0001437749-21-018648-index.html | 2021-08-05 10:22:58 | |
| 0001437749-21-018648.txt | 2021-08-05 10:22:58 | |
 0001437749-21-018648-xbrl.zip | 18396 | 2021-08-05 10:22:58 |
| ex_270792.htm | 127254 | 2021-08-05 10:22:58 |
| FilingSummary.xml | 1757 | 2021-08-05 10:22:58 |
| Financial_Report.xlsx | 5661 | 2021-08-05 10:22:58 |
 image.jpg | 10885 | 2021-08-05 10:22:58 |
| MetaLinks.json | 19324 | 2021-08-05 10:22:58 |
| nrc-20210803.xsd | 3692 | 2021-08-05 10:22:58 |
| nrc-20210803_def.xml | 11582 | 2021-08-05 10:22:58 |
| nrc-20210803_lab.xml | 15465 | 2021-08-05 10:22:58 |
| nrc-20210803_pre.xml | 11736 | 2021-08-05 10:22:58 |
| nrc20210802_8k.htm | 30733 | 2021-08-05 10:22:58 |
| nrc20210802_8k_htm.xml | 2553 | 2021-08-05 10:22:58 |
| R1.htm | 38859 | 2021-08-05 10:22:58 |
| report.css | 2767 | 2021-08-05 10:22:58 |
| Show.js | 1085 | 2021-08-05 10:22:58 |