Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-002536-index-headers.html | 2021-02-11 10:48:06 | |
| 0001437749-21-002536-index.html | 2021-02-11 10:48:06 | |
| 0001437749-21-002536.txt | 2021-02-11 10:48:06 | |
 0001437749-21-002536-xbrl.zip | 19268 | 2021-02-11 10:48:06 |
| ex_225589.htm | 167098 | 2021-02-11 10:48:06 |
| FilingSummary.xml | 1757 | 2021-02-11 10:48:06 |
| Financial_Report.xlsx | 5451 | 2021-02-11 10:48:06 |
 logo.jpg | 6067 | 2021-02-11 10:48:06 |
| MetaLinks.json | 19323 | 2021-02-11 10:48:06 |
| nrc-20210209.xsd | 3692 | 2021-02-11 10:48:06 |
| nrc-20210209_def.xml | 11583 | 2021-02-11 10:48:06 |
| nrc-20210209_lab.xml | 15466 | 2021-02-11 10:48:06 |
| nrc-20210209_pre.xml | 11737 | 2021-02-11 10:48:06 |
| nrc20210209_8k.htm | 35097 | 2021-02-11 10:48:06 |
| nrc20210209_8k_htm.xml | 2570 | 2021-02-11 10:48:06 |
| R1.htm | 38876 | 2021-02-11 10:48:06 |
| report.css | 2767 | 2021-02-11 10:48:06 |
| Show.js | 1085 | 2021-02-11 10:48:06 |