Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001387131-22-000573-index-headers.html | 2022-01-21 16:05:28 | |
| 0001387131-22-000573-index.html | 2022-01-21 16:05:28 | |
| 0001387131-22-000573.txt | 2022-01-21 16:05:28 | |
 0001387131-22-000573-xbrl.zip | 13086 | 2022-01-21 16:05:28 |
| ex3-1.htm | 5112 | 2022-01-21 16:05:28 |
| FilingSummary.xml | 1637 | 2022-01-21 16:05:28 |
| Financial_Report.xlsx | 5719 | 2022-01-21 16:05:28 |
| MetaLinks.json | 38811 | 2022-01-21 16:05:28 |
| ppsi-20220117.xsd | 3072 | 2022-01-21 16:05:28 |
| ppsi-20220117_lab.xml | 34476 | 2022-01-21 16:05:28 |
| ppsi-20220117_pre.xml | 22621 | 2022-01-21 16:05:28 |
| ppsi-8k_011722.htm | 40345 | 2022-01-21 16:05:28 |
| ppsi-8k_011722_htm.xml | 3725 | 2022-01-21 16:05:28 |
| R1.htm | 41649 | 2022-01-21 16:05:28 |
| report.css | 2767 | 2022-01-21 16:05:28 |
| Show.js | 1084 | 2022-01-21 16:05:28 |