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| 0001193125-23-073941-index.html | 2023-03-17 16:30:54 | |
| 0001193125-23-073941.txt | 2023-03-17 16:30:54 | |
 0001193125-23-073941-xbrl.zip | 13426 | 2023-03-17 16:30:54 |
| d418205d8k.htm | 30299 | 2023-03-17 16:30:54 |
| d418205d8k_htm.xml | 3618 | 2023-03-17 16:30:54 |
| d418205dex101.htm | 20894 | 2023-03-17 16:30:54 |
| FilingSummary.xml | 1940 | 2023-03-17 16:30:54 |
| Financial_Report.xlsx | 5744 | 2023-03-17 16:30:54 |
| MetaLinks.json | 19496 | 2023-03-17 16:30:54 |
| pkbo-20230313.xsd | 2500 | 2023-03-17 16:30:54 |
| pkbo-20230313_lab.xml | 18731 | 2023-03-17 16:30:54 |
| pkbo-20230313_pre.xml | 11677 | 2023-03-17 16:30:54 |
| R1.htm | 41376 | 2023-03-17 16:30:54 |
| report.css | 2767 | 2023-03-17 16:30:54 |
| Show.js | 1084 | 2023-03-17 16:30:54 |