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| 0001437749-22-019053.txt | 2022-08-05 10:38:01 | |
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| ex_400996.htm | 11883 | 2022-08-05 10:38:01 |
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| ex_400998.htm | 6592 | 2022-08-05 10:38:01 |
| FilingSummary.xml | 31783 | 2022-08-05 10:38:01 |
| Financial_Report.xlsx | 64649 | 2022-08-05 10:38:01 |
| MetaLinks.json | 545047 | 2022-08-05 10:38:01 |
| nrc-20220630.xsd | 46580 | 2022-08-05 10:38:01 |
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| nrc20220630_10q.htm | 887740 | 2022-08-05 10:38:01 |
| nrc20220630_10q_htm.xml | 748010 | 2022-08-05 10:38:01 |
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| report.css | 2767 | 2022-08-05 10:38:01 |
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