Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-025653-index-headers.html | 2022-11-03 09:14:31 | |
| 0001437749-22-025653-index.html | 2022-11-03 09:14:31 | |
| 0001437749-22-025653.txt | 2022-11-03 09:14:31 | |
 0001437749-22-025653-xbrl.zip | 20339 | 2022-11-03 09:14:31 |
| ex_441273.htm | 115200 | 2022-11-03 09:14:31 |
| ex_441274.htm | 15954 | 2022-11-03 09:14:31 |
| FilingSummary.xml | 1797 | 2022-11-03 09:14:31 |
| Financial_Report.xlsx | 5684 | 2022-11-03 09:14:31 |
| MetaLinks.json | 18885 | 2022-11-03 09:14:31 |
| nrc-20221101.xsd | 3593 | 2022-11-03 09:14:31 |
| nrc-20221101_def.xml | 11529 | 2022-11-03 09:14:31 |
| nrc-20221101_lab.xml | 15414 | 2022-11-03 09:14:31 |
| nrc-20221101_pre.xml | 11685 | 2022-11-03 09:14:31 |
| nrc20221102_8k.htm | 37223 | 2022-11-03 09:14:31 |
| nrc20221102_8k_htm.xml | 2549 | 2022-11-03 09:14:31 |
 nrclogo.jpg | 11302 | 2022-11-03 09:14:31 |
| R1.htm | 38339 | 2022-11-03 09:14:31 |
| report.css | 2767 | 2022-11-03 09:14:31 |
| Show.js | 1085 | 2022-11-03 09:14:31 |