Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000320575-20-000080-index-headers.html | 2020-12-17 13:26:10 | |
| 0000320575-20-000080-index.html | 2020-12-17 13:26:10 | |
| 0000320575-20-000080.txt | 2020-12-17 13:26:10 | |
 0000320575-20-000080-xbrl.zip | 11875 | 2020-12-17 13:26:10 |
| FilingSummary.xml | 1676 | 2020-12-17 13:26:10 |
| Financial_Report.xlsx | 5434 | 2020-12-17 13:26:10 |
| MetaLinks.json | 17371 | 2020-12-17 13:26:10 |
| pes-20201217.htm | 31600 | 2020-12-17 13:26:10 |
| pes-20201217.xsd | 2439 | 2020-12-17 13:26:10 |
| pes-20201217_cal.xml | 723 | 2020-12-17 13:26:10 |
| pes-20201217_def.xml | 1656 | 2020-12-17 13:26:10 |
| pes-20201217_htm.xml | 11714 | 2020-12-17 13:26:10 |
| pes-20201217_lab.xml | 23970 | 2020-12-17 13:26:10 |
| pes-20201217_pre.xml | 12659 | 2020-12-17 13:26:10 |
| R1.htm | 38577 | 2020-12-17 13:26:10 |
| report.css | 2767 | 2020-12-17 13:26:10 |
| Show.js | 1085 | 2020-12-17 13:26:10 |