Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-032289-index-headers.html | 2024-10-28 16:06:25 | |
| 0001437749-24-032289-index.html | 2024-10-28 16:06:25 | |
| 0001437749-24-032289.txt | 2024-10-28 16:06:25 | |
 0001437749-24-032289-xbrl.zip | 12683 | 2024-10-28 16:06:25 |
| ex_738441.htm | 23424 | 2024-10-28 16:06:25 |
| FilingSummary.xml | 1748 | 2024-10-28 16:06:25 |
| Financial_Report.xlsx | 5699 | 2024-10-28 16:06:25 |
| MetaLinks.json | 19319 | 2024-10-28 16:06:25 |
| npk-20241025.xsd | 3402 | 2024-10-28 16:06:25 |
| npk-20241025_def.xml | 11440 | 2024-10-28 16:06:25 |
| npk-20241025_lab.xml | 15349 | 2024-10-28 16:06:25 |
| npk-20241025_pre.xml | 11600 | 2024-10-28 16:06:25 |
| npk20241028_8k.htm | 27405 | 2024-10-28 16:06:25 |
| npk20241028_8k_htm.xml | 2850 | 2024-10-28 16:06:25 |
| R1.htm | 38383 | 2024-10-28 16:06:25 |
| report.css | 2767 | 2024-10-28 16:06:25 |
| Show.js | 1085 | 2024-10-28 16:06:25 |