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| 0001137091-22-000007-index.html | 2022-03-31 16:58:22 | |
| 0001137091-22-000007.txt | 2022-03-31 16:58:22 | |
 0001137091-22-000007-xbrl.zip | 418056 | 2022-03-31 16:58:22 |
| exhibit1027ltip1111.htm | 18592 | 2022-03-31 16:58:22 |
| exhibit211-psiandconsolida.htm | 7397 | 2022-03-31 16:58:22 |
| exhibit231-bdoconsent21111.htm | 2616 | 2022-03-31 16:58:22 |
| exhibit311-ceocertificatio.htm | 10481 | 2022-03-31 16:58:22 |
| exhibit312-cfocertificatio.htm | 10612 | 2022-03-31 16:58:22 |
| exhibit321-ceocertificatio.htm | 6793 | 2022-03-31 16:58:22 |
| exhibit322-cfocertificatio.htm | 6705 | 2022-03-31 16:58:22 |
| FilingSummary.xml | 46421 | 2022-03-31 16:58:22 |
| Financial_Report.xlsx | 127787 | 2022-03-31 16:58:22 |
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| psix-20211231.htm | 2146686 | 2022-03-31 16:58:22 |
| psix-20211231.xsd | 60792 | 2022-03-31 16:58:22 |
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| psix-20211231_lab.xml | 848831 | 2022-03-31 16:58:22 |
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| report.css | 2767 | 2022-03-31 16:58:22 |
| Show.js | 1085 | 2022-03-31 16:58:22 |