Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001321732-22-000010-index-headers.html | 2022-01-10 06:03:37 | |
| 0001321732-22-000010-index.html | 2022-01-10 06:03:37 | |
| 0001321732-22-000010.txt | 2022-01-10 06:03:37 | |
 0001321732-22-000010-xbrl.zip | 10479 | 2022-01-10 06:03:37 |
| FilingSummary.xml | 1598 | 2022-01-10 06:03:37 |
| Financial_Report.xlsx | 5646 | 2022-01-10 06:03:37 |
| MetaLinks.json | 16892 | 2022-01-10 06:03:37 |
| pen-20220110.htm | 33740 | 2022-01-10 06:03:37 |
| pen-20220110.xsd | 1920 | 2022-01-10 06:03:37 |
| pen-20220110_htm.xml | 10808 | 2022-01-10 06:03:37 |
| pen-20220110_lab.xml | 24270 | 2022-01-10 06:03:37 |
| pen-20220110_pre.xml | 12651 | 2022-01-10 06:03:37 |
| R1.htm | 38593 | 2022-01-10 06:03:37 |
| report.css | 2766 | 2022-01-10 06:03:37 |
| Show.js | 1084 | 2022-01-10 06:03:37 |