Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-23-095352-index.html | 2023-04-07 17:01:29 | |
| 0001193125-23-095352.txt | 2023-04-07 17:01:29 | |
 0001193125-23-095352-xbrl.zip | 10684 | 2023-04-07 17:01:29 |
| d480010d8k.htm | 29951 | 2023-04-07 17:01:29 |
| d480010d8k_htm.xml | 3618 | 2023-04-07 17:01:29 |
| d480010dex101.htm | 5860 | 2023-04-07 17:01:29 |
| FilingSummary.xml | 1940 | 2023-04-07 17:01:29 |
| Financial_Report.xlsx | 5745 | 2023-04-07 17:01:29 |
| MetaLinks.json | 19496 | 2023-04-07 17:01:29 |
| pkbo-20230403.xsd | 2498 | 2023-04-07 17:01:29 |
| pkbo-20230403_lab.xml | 18729 | 2023-04-07 17:01:29 |
| pkbo-20230403_pre.xml | 11675 | 2023-04-07 17:01:29 |
| R1.htm | 41377 | 2023-04-07 17:01:29 |
| report.css | 2767 | 2023-04-07 17:01:29 |
| Show.js | 1084 | 2023-04-07 17:01:29 |