Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001839882-22-021196-index-headers.html | 2022-09-22 17:01:11 | |
| 0001839882-22-021196-index.html | 2022-09-22 17:01:11 | |
| 0001839882-22-021196.txt | 2022-09-22 17:01:11 | |
 0001839882-22-021196-xbrl.zip | 13050 | 2022-09-22 17:01:11 |
| ex3-1.htm | 5885 | 2022-09-22 17:01:11 |
| FilingSummary.xml | 1647 | 2022-09-22 17:01:11 |
| Financial_Report.xlsx | 5743 | 2022-09-22 17:01:11 |
| MetaLinks.json | 38750 | 2022-09-22 17:01:11 |
| ppsi-20220921.xsd | 3266 | 2022-09-22 17:01:11 |
| ppsi-20220921_lab.xml | 34240 | 2022-09-22 17:01:11 |
| ppsi-20220921_pre.xml | 22385 | 2022-09-22 17:01:11 |
| ppsi-8k_092122.htm | 35957 | 2022-09-22 17:01:11 |
| ppsi-8k_092122_htm.xml | 3723 | 2022-09-22 17:01:11 |
| R1.htm | 41134 | 2022-09-22 17:01:11 |
| report.css | 2767 | 2022-09-22 17:01:11 |
| Show.js | 1084 | 2022-09-22 17:01:11 |