Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-021984-index-headers.html | 2020-10-29 16:02:58 | |
| 0001437749-20-021984-index.html | 2020-10-29 16:02:58 | |
| 0001437749-20-021984.txt | 2020-10-29 16:02:58 | |
 0001437749-20-021984-xbrl.zip | 15671 | 2020-10-29 16:02:58 |
 a01.jpg | 636380 | 2020-10-29 16:02:58 |
| ex_209563.htm | 1140 | 2020-10-29 16:02:58 |
| ex_209564.htm | 30802 | 2020-10-29 16:02:58 |
| FilingSummary.xml | 1788 | 2020-10-29 16:02:58 |
| Financial_Report.xlsx | 5448 | 2020-10-29 16:02:58 |
| MetaLinks.json | 19323 | 2020-10-29 16:02:58 |
| npk-20201023.xsd | 3693 | 2020-10-29 16:02:58 |
| npk-20201023_def.xml | 11584 | 2020-10-29 16:02:58 |
| npk-20201023_lab.xml | 15467 | 2020-10-29 16:02:58 |
| npk-20201023_pre.xml | 11738 | 2020-10-29 16:02:58 |
| npk20201028_8k.htm | 36859 | 2020-10-29 16:02:58 |
| npk20201028_8k_htm.xml | 2564 | 2020-10-29 16:02:58 |
| R1.htm | 38870 | 2020-10-29 16:02:58 |
| report.css | 2767 | 2020-10-29 16:02:58 |
| Show.js | 1085 | 2020-10-29 16:02:58 |