Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-25-003993-index-headers.html | 2025-02-14 16:07:09 | |
| 0001437749-25-003993-index.html | 2025-02-14 16:07:09 | |
| 0001437749-25-003993.txt | 2025-02-14 16:07:09 | |
 0001437749-25-003993-xbrl.zip | 11699 | 2025-02-14 16:07:09 |
| ex_778019.htm | 4668 | 2025-02-14 16:07:09 |
| FilingSummary.xml | 1750 | 2025-02-14 16:07:09 |
| Financial_Report.xlsx | 5695 | 2025-02-14 16:07:09 |
| MetaLinks.json | 19294 | 2025-02-14 16:07:09 |
| npk-20250210.xsd | 3401 | 2025-02-14 16:07:09 |
| npk-20250210_def.xml | 11421 | 2025-02-14 16:07:09 |
| npk-20250210_lab.xml | 15310 | 2025-02-14 16:07:09 |
| npk-20250210_pre.xml | 11581 | 2025-02-14 16:07:09 |
| npk20250213_8k.htm | 27129 | 2025-02-14 16:07:09 |
| npk20250213_8k_htm.xml | 2838 | 2025-02-14 16:07:09 |
| R1.htm | 38353 | 2025-02-14 16:07:09 |
| report.css | 2767 | 2025-02-14 16:07:09 |
| Show.js | 1085 | 2025-02-14 16:07:09 |