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| ex_705009.htm | 6948 | 2024-08-08 14:20:58 |
| FilingSummary.xml | 30709 | 2024-08-08 14:20:58 |
| Financial_Report.xlsx | 63558 | 2024-08-08 14:20:58 |
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| nrc-20240630.xsd | 45292 | 2024-08-08 14:20:58 |
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| nrc-20240630_lab.xml | 309773 | 2024-08-08 14:20:58 |
| nrc-20240630_pre.xml | 357665 | 2024-08-08 14:20:58 |
| nrc20240630_10q.htm | 1018831 | 2024-08-08 14:20:58 |
| nrc20240630_10q_htm.xml | 940959 | 2024-08-08 14:20:58 |
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| report.css | 2767 | 2024-08-08 14:20:58 |
| Show.js | 1085 | 2024-08-08 14:20:58 |