Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-008659-index-headers.html | 2021-04-09 16:13:20 | |
| 0001437749-21-008659-index.html | 2021-04-09 16:13:20 | |
| 0001437749-21-008659.txt | 2021-04-09 16:13:20 | |
 0001437749-21-008659-xbrl.zip | 11685 | 2021-04-09 16:13:20 |
| ex_240125.htm | 4482 | 2021-04-09 16:13:20 |
 ex_240125img001.jpg | 5355 | 2021-04-09 16:13:20 |
| FilingSummary.xml | 1757 | 2021-04-09 16:13:20 |
| Financial_Report.xlsx | 5660 | 2021-04-09 16:13:20 |
| MetaLinks.json | 19323 | 2021-04-09 16:13:20 |
| nrc-20210409.xsd | 3691 | 2021-04-09 16:13:20 |
| nrc-20210409_def.xml | 11582 | 2021-04-09 16:13:20 |
| nrc-20210409_lab.xml | 15465 | 2021-04-09 16:13:20 |
| nrc-20210409_pre.xml | 11736 | 2021-04-09 16:13:20 |
| nrc20210409_8k.htm | 32787 | 2021-04-09 16:13:20 |
| nrc20210409_8k_htm.xml | 2553 | 2021-04-09 16:13:20 |
| R1.htm | 38859 | 2021-04-09 16:13:20 |
| report.css | 2767 | 2021-04-09 16:13:20 |
| Show.js | 1085 | 2021-04-09 16:13:20 |