Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-027760-index-headers.html | 2024-08-26 16:16:50 | |
| 0001437749-24-027760-index.html | 2024-08-26 16:16:50 | |
| 0001437749-24-027760.txt | 2024-08-26 16:16:50 | |
 0001437749-24-027760-xbrl.zip | 11762 | 2024-08-26 16:16:50 |
| ex_717668.htm | 4714 | 2024-08-26 16:16:50 |
| FilingSummary.xml | 1751 | 2024-08-26 16:16:50 |
| Financial_Report.xlsx | 5695 | 2024-08-26 16:16:50 |
| MetaLinks.json | 19294 | 2024-08-26 16:16:50 |
| npk-20240821.xsd | 3401 | 2024-08-26 16:16:50 |
| npk-20240821_def.xml | 11421 | 2024-08-26 16:16:50 |
| npk-20240821_lab.xml | 15310 | 2024-08-26 16:16:50 |
| npk-20240821_pre.xml | 11581 | 2024-08-26 16:16:50 |
| npk20240822_8k.htm | 27709 | 2024-08-26 16:16:50 |
| npk20240822_8k_htm.xml | 2839 | 2024-08-26 16:16:50 |
| R1.htm | 38355 | 2024-08-26 16:16:50 |
| report.css | 2767 | 2024-08-26 16:16:50 |
| Show.js | 1085 | 2024-08-26 16:16:50 |