Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001137091-21-000008-index-headers.html | 2021-08-11 16:42:34 | |
| 0001137091-21-000008-index.html | 2021-08-11 16:42:34 | |
| 0001137091-21-000008.txt | 2021-08-11 16:42:34 | |
 0001137091-21-000008-xbrl.zip | 264798 | 2021-08-11 16:42:34 |
| exhibit311-ceocertificatio.htm | 10484 | 2021-08-11 16:42:34 |
| exhibit312-cfocertificatio.htm | 10615 | 2021-08-11 16:42:34 |
| exhibit321-ceocertificatio.htm | 6796 | 2021-08-11 16:42:34 |
| exhibit322-cfocertificatio.htm | 6708 | 2021-08-11 16:42:34 |
| FilingSummary.xml | 32546 | 2021-08-11 16:42:34 |
| Financial_Report.xlsx | 85697 | 2021-08-11 16:42:34 |
| MetaLinks.json | 596818 | 2021-08-11 16:42:34 |
| psix-20210630.htm | 1573373 | 2021-08-11 16:42:34 |
| psix-20210630.xsd | 38364 | 2021-08-11 16:42:34 |
| psix-20210630_cal.xml | 82864 | 2021-08-11 16:42:34 |
| psix-20210630_def.xml | 160908 | 2021-08-11 16:42:34 |
 psix-20210630_g1.jpg | 21133 | 2021-08-11 16:42:34 |
| psix-20210630_htm.xml | 1279966 | 2021-08-11 16:42:34 |
| psix-20210630_lab.xml | 544200 | 2021-08-11 16:42:34 |
| psix-20210630_pre.xml | 344635 | 2021-08-11 16:42:34 |
| R1.htm | 47248 | 2021-08-11 16:42:34 |
| R10.htm | 15120 | 2021-08-11 16:42:34 |
| R11.htm | 26374 | 2021-08-11 16:42:34 |
| R12.htm | 26506 | 2021-08-11 16:42:34 |
| R13.htm | 134600 | 2021-08-11 16:42:34 |
| R14.htm | 23267 | 2021-08-11 16:42:34 |
| R15.htm | 25311 | 2021-08-11 16:42:34 |
| R16.htm | 9696 | 2021-08-11 16:42:34 |
| R17.htm | 20888 | 2021-08-11 16:42:34 |
| R18.htm | 30291 | 2021-08-11 16:42:34 |
| R19.htm | 12126 | 2021-08-11 16:42:34 |
| R2.htm | 110326 | 2021-08-11 16:42:34 |
| R20.htm | 34239 | 2021-08-11 16:42:34 |
| R21.htm | 83857 | 2021-08-11 16:42:34 |
| R22.htm | 42294 | 2021-08-11 16:42:34 |
| R23.htm | 14662 | 2021-08-11 16:42:34 |
| R24.htm | 26069 | 2021-08-11 16:42:34 |
| R25.htm | 15124 | 2021-08-11 16:42:34 |
| R26.htm | 82618 | 2021-08-11 16:42:34 |
| R27.htm | 18772 | 2021-08-11 16:42:34 |
| R28.htm | 11958 | 2021-08-11 16:42:34 |
| R29.htm | 27654 | 2021-08-11 16:42:34 |
| R3.htm | 25869 | 2021-08-11 16:42:34 |
| R30.htm | 47621 | 2021-08-11 16:42:34 |
| R31.htm | 26834 | 2021-08-11 16:42:34 |
| R32.htm | 26644 | 2021-08-11 16:42:34 |
| R33.htm | 20590 | 2021-08-11 16:42:34 |
| R34.htm | 21136 | 2021-08-11 16:42:34 |
| R35.htm | 23900 | 2021-08-11 16:42:34 |
| R36.htm | 11654 | 2021-08-11 16:42:34 |
| R37.htm | 25077 | 2021-08-11 16:42:34 |
| R38.htm | 6282 | 2021-08-11 16:42:34 |
| R39.htm | 17535 | 2021-08-11 16:42:34 |
| R4.htm | 86048 | 2021-08-11 16:42:34 |
| R40.htm | 7675 | 2021-08-11 16:42:34 |
| R41.htm | 17558 | 2021-08-11 16:42:34 |
| R42.htm | 19153 | 2021-08-11 16:42:34 |
| R43.htm | 25806 | 2021-08-11 16:42:34 |
| R44.htm | 25167 | 2021-08-11 16:42:34 |
| R45.htm | 18345 | 2021-08-11 16:42:34 |
| R46.htm | 15653 | 2021-08-11 16:42:34 |
| R47.htm | 32833 | 2021-08-11 16:42:34 |
| R48.htm | 40272 | 2021-08-11 16:42:34 |
| R49.htm | 16926 | 2021-08-11 16:42:34 |
| R5.htm | 35311 | 2021-08-11 16:42:34 |
| R50.htm | 45872 | 2021-08-11 16:42:34 |
| R51.htm | 4715 | 2021-08-11 16:42:34 |
| R52.htm | 16984 | 2021-08-11 16:42:34 |
| R53.htm | 45837 | 2021-08-11 16:42:34 |
| R54.htm | 24482 | 2021-08-11 16:42:34 |
| R6.htm | 89297 | 2021-08-11 16:42:34 |
| R7.htm | 117612 | 2021-08-11 16:42:34 |
| R8.htm | 46813 | 2021-08-11 16:42:34 |
| R9.htm | 20887 | 2021-08-11 16:42:34 |
| report.css | 2767 | 2021-08-11 16:42:34 |
| Show.js | 1085 | 2021-08-11 16:42:34 |