Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-018808-index-headers.html | 2022-08-04 11:40:49 | |
| 0001437749-22-018808-index.html | 2022-08-04 11:40:49 | |
| 0001437749-22-018808.txt | 2022-08-04 11:40:49 | |
 0001437749-22-018808-xbrl.zip | 20872 | 2022-08-04 11:40:49 |
| ex_405965.htm | 160633 | 2022-08-04 11:40:49 |
| ex_405966.htm | 15641 | 2022-08-04 11:40:49 |
| FilingSummary.xml | 1795 | 2022-08-04 11:40:49 |
| Financial_Report.xlsx | 5685 | 2022-08-04 11:40:49 |
| MetaLinks.json | 18885 | 2022-08-04 11:40:49 |
| nrc-20220802.xsd | 3592 | 2022-08-04 11:40:49 |
| nrc-20220802_def.xml | 11528 | 2022-08-04 11:40:49 |
| nrc-20220802_lab.xml | 15413 | 2022-08-04 11:40:49 |
| nrc-20220802_pre.xml | 11684 | 2022-08-04 11:40:49 |
| nrc20220803_8k.htm | 35664 | 2022-08-04 11:40:49 |
| nrc20220803_8k_htm.xml | 2549 | 2022-08-04 11:40:49 |
 nrclogo.jpg | 11302 | 2022-08-04 11:40:49 |
| R1.htm | 38789 | 2022-08-04 11:40:49 |
| report.css | 2767 | 2022-08-04 11:40:49 |
| Show.js | 1085 | 2022-08-04 11:40:49 |