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| 0001437749-25-014085-index.html | 2025-05-01 16:03:15 | |
| 0001437749-25-014085.txt | 2025-05-01 16:03:15 | |
 0001437749-25-014085-xbrl.zip | 118784 | 2025-05-01 16:03:15 |
| ex_773630.htm | 13691 | 2025-05-01 16:03:15 |
| ex_773631.htm | 13739 | 2025-05-01 16:03:15 |
| ex_773632.htm | 4972 | 2025-05-01 16:03:15 |
| ex_773633.htm | 4953 | 2025-05-01 16:03:15 |
| FilingSummary.xml | 27319 | 2025-05-01 16:03:15 |
| Financial_Report.xlsx | 54275 | 2025-05-01 16:03:15 |
| MetaLinks.json | 677281 | 2025-05-01 16:03:15 |
| nwpx-20250331.xsd | 39554 | 2025-05-01 16:03:15 |
| nwpx-20250331_cal.xml | 37318 | 2025-05-01 16:03:15 |
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| nwpx-20250331_lab.xml | 243930 | 2025-05-01 16:03:15 |
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| nwpx20250331_10q.htm | 865639 | 2025-05-01 16:03:15 |
| nwpx20250331_10q_htm.xml | 658772 | 2025-05-01 16:03:15 |
| R1.htm | 51797 | 2025-05-01 16:03:15 |
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| report.css | 2767 | 2025-05-01 16:03:15 |
| Show.js | 1085 | 2025-05-01 16:03:15 |