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| 0001437749-26-015083-index.html | 2026-05-06 11:42:10 | |
| 0001437749-26-015083.txt | 2026-05-06 11:42:10 | |
 0001437749-26-015083-xbrl.zip | 106711 | 2026-05-06 11:42:10 |
| ex_952769.htm | 6368 | 2026-05-06 11:42:10 |
| ex_952770.htm | 12551 | 2026-05-06 11:42:10 |
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| FilingSummary.xml | 28639 | 2026-05-06 11:42:10 |
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| nrc-20260331.xsd | 38301 | 2026-05-06 11:42:10 |
| nrc-20260331_cal.xml | 37061 | 2026-05-06 11:42:10 |
| nrc-20260331_def.xml | 269663 | 2026-05-06 11:42:10 |
| nrc-20260331_lab.xml | 251310 | 2026-05-06 11:42:10 |
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| nrc20260331_10q.htm | 735579 | 2026-05-06 11:42:10 |
| nrc20260331_10q_htm.xml | 401907 | 2026-05-06 11:42:10 |
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| R8.htm | 19805 | 2026-05-06 11:42:10 |
| R9.htm | 20003 | 2026-05-06 11:42:10 |
| report.css | 2767 | 2026-05-06 11:42:10 |
| Show.js | 1085 | 2026-05-06 11:42:10 |