Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-021779-index-headers.html | 2023-08-03 10:18:51 | |
| 0001437749-23-021779-index.html | 2023-08-03 10:18:51 | |
| 0001437749-23-021779.txt | 2023-08-03 10:18:51 | |
 0001437749-23-021779-xbrl.zip | 19927 | 2023-08-03 10:18:51 |
| ex_553612.htm | 114224 | 2023-08-03 10:18:51 |
| ex_553613.htm | 15480 | 2023-08-03 10:18:51 |
| FilingSummary.xml | 1793 | 2023-08-03 10:18:51 |
| Financial_Report.xlsx | 5685 | 2023-08-03 10:18:51 |
| MetaLinks.json | 19294 | 2023-08-03 10:18:51 |
| nrc-20230801.xsd | 3400 | 2023-08-03 10:18:51 |
| nrc-20230801_def.xml | 11420 | 2023-08-03 10:18:51 |
| nrc-20230801_lab.xml | 15309 | 2023-08-03 10:18:51 |
| nrc-20230801_pre.xml | 11580 | 2023-08-03 10:18:51 |
| nrc20230802_8k.htm | 32318 | 2023-08-03 10:18:51 |
| nrc20230802_8k_htm.xml | 2547 | 2023-08-03 10:18:51 |
 pic1.jpg | 7702 | 2023-08-03 10:18:51 |
| R1.htm | 38337 | 2023-08-03 10:18:51 |
| report.css | 2767 | 2023-08-03 10:18:51 |
| Show.js | 1085 | 2023-08-03 10:18:51 |