Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000320575-21-000010-index-headers.html | 2021-02-10 14:47:35 | |
| 0000320575-21-000010-index.html | 2021-02-10 14:47:35 | |
| 0000320575-21-000010.txt | 2021-02-10 14:47:35 | |
 0000320575-21-000010-xbrl.zip | 11999 | 2021-02-10 14:47:35 |
| FilingSummary.xml | 1676 | 2021-02-10 14:47:35 |
| Financial_Report.xlsx | 5461 | 2021-02-10 14:47:35 |
| MetaLinks.json | 17371 | 2021-02-10 14:47:35 |
| pes-20210210.htm | 32200 | 2021-02-10 14:47:35 |
| pes-20210210.xsd | 2439 | 2021-02-10 14:47:35 |
| pes-20210210_cal.xml | 723 | 2021-02-10 14:47:35 |
| pes-20210210_def.xml | 1656 | 2021-02-10 14:47:35 |
| pes-20210210_htm.xml | 12027 | 2021-02-10 14:47:35 |
| pes-20210210_lab.xml | 23970 | 2021-02-10 14:47:35 |
| pes-20210210_pre.xml | 12659 | 2021-02-10 14:47:35 |
| R1.htm | 39611 | 2021-02-10 14:47:35 |
| report.css | 2767 | 2021-02-10 14:47:35 |
| Show.js | 1085 | 2021-02-10 14:47:35 |