Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001839882-22-012777-index.html | 2022-06-08 16:22:46 | |
| 0001839882-22-012777.txt | 2022-06-08 16:22:46 | |
 0001839882-22-012777-xbrl.zip | 25894 | 2022-06-08 16:22:46 |
| ex10-1.htm | 242406 | 2022-06-08 16:22:46 |
| FilingSummary.xml | 1646 | 2022-06-08 16:22:46 |
| Financial_Report.xlsx | 5694 | 2022-06-08 16:22:46 |
| MetaLinks.json | 38620 | 2022-06-08 16:22:46 |
| ppsi-20220603.xsd | 2998 | 2022-06-08 16:22:46 |
| ppsi-20220603_lab.xml | 34240 | 2022-06-08 16:22:46 |
| ppsi-20220603_pre.xml | 22385 | 2022-06-08 16:22:46 |
| ppsi-8k_051622.htm | 41364 | 2022-06-08 16:22:46 |
| ppsi-8k_051622_htm.xml | 3610 | 2022-06-08 16:22:46 |
| R1.htm | 40250 | 2022-06-08 16:22:46 |
| report.css | 2767 | 2022-06-08 16:22:46 |
| Show.js | 1084 | 2022-06-08 16:22:46 |