Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-021256-index-headers.html | 2023-05-11 16:15:04 | |
| 0000950170-23-021256-index.html | 2023-05-11 16:15:04 | |
| 0000950170-23-021256.txt | 2023-05-11 16:15:04 | |
 0000950170-23-021256-xbrl.zip | 22367 | 2023-05-11 16:15:04 |
| FilingSummary.xml | 1739 | 2023-05-11 16:15:04 |
| Financial_Report.xlsx | 5778 | 2023-05-11 16:15:04 |
 img22993735_0.jpg | 13089 | 2023-05-11 16:15:04 |
| MetaLinks.json | 18875 | 2023-05-11 16:15:04 |
| prok-20230511.htm | 54232 | 2023-05-11 16:15:04 |
| prok-20230511.xsd | 2472 | 2023-05-11 16:15:04 |
| prok-20230511_htm.xml | 4900 | 2023-05-11 16:15:04 |
| prok-20230511_lab.xml | 13904 | 2023-05-11 16:15:04 |
| prok-20230511_pre.xml | 10232 | 2023-05-11 16:15:04 |
| prok-ex99_1.htm | 378545 | 2023-05-11 16:15:04 |
| R1.htm | 41404 | 2023-05-11 16:15:04 |
| report.css | 2767 | 2023-05-11 16:15:04 |
| Show.js | 1085 | 2023-05-11 16:15:04 |