Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001387131-22-012038-index-headers.html | 2022-12-01 13:44:42 | |
| 0001387131-22-012038-index.html | 2022-12-01 13:44:42 | |
| 0001387131-22-012038.txt | 2022-12-01 13:44:42 | |
 0001387131-22-012038-xbrl.zip | 14665 | 2022-12-01 13:44:42 |
| ex99-1.htm | 13151 | 2022-12-01 13:44:42 |
 ex991-01.jpg | 12620 | 2022-12-01 13:44:42 |
| FilingSummary.xml | 1648 | 2022-12-01 13:44:42 |
| Financial_Report.xlsx | 5715 | 2022-12-01 13:44:42 |
| MetaLinks.json | 38780 | 2022-12-01 13:44:42 |
| ppsi-20221201.xsd | 3266 | 2022-12-01 13:44:42 |
| ppsi-20221201_lab.xml | 34240 | 2022-12-01 13:44:42 |
| ppsi-20221201_pre.xml | 22385 | 2022-12-01 13:44:42 |
| ppsi-8k_120122.htm | 38714 | 2022-12-01 13:44:42 |
| ppsi-8k_120122_htm.xml | 3610 | 2022-12-01 13:44:42 |
| R1.htm | 39618 | 2022-12-01 13:44:42 |
| report.css | 2767 | 2022-12-01 13:44:42 |
| Show.js | 1085 | 2022-12-01 13:44:42 |