Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-16-585806-index-headers.html | 2016-05-10 17:19:05 | |
| 0001193125-16-585806-index.html | 2016-05-10 17:19:05 | |
| 0001193125-16-585806.txt | 2016-05-10 17:19:05 | |
 0001193125-16-585806-xbrl.zip | 112145 | 2016-05-10 17:19:05 |
| d177877d10q.htm | 361064 | 2016-05-10 17:19:05 |
| d177877dex311.htm | 6340 | 2016-05-10 17:19:05 |
| d177877dex312.htm | 6319 | 2016-05-10 17:19:05 |
| d177877dex321.htm | 3787 | 2016-05-10 17:19:05 |
| d177877dex322.htm | 3785 | 2016-05-10 17:19:05 |
| FilingSummary.xml | 29512 | 2016-05-10 17:19:05 |
| Financial_Report.xlsx | 63259 | 2016-05-10 17:19:05 |
| psix-20160331.xml | 433436 | 2016-05-10 17:19:05 |
| psix-20160331.xsd | 49194 | 2016-05-10 17:19:05 |
| psix-20160331_cal.xml | 63540 | 2016-05-10 17:19:05 |
| psix-20160331_def.xml | 179150 | 2016-05-10 17:19:05 |
| psix-20160331_lab.xml | 388779 | 2016-05-10 17:19:05 |
| psix-20160331_pre.xml | 275720 | 2016-05-10 17:19:05 |
| R1.htm | 21958 | 2016-05-10 17:19:05 |
| R10.htm | 20314 | 2016-05-10 17:19:05 |
| R11.htm | 13263 | 2016-05-10 17:19:05 |
| R12.htm | 15115 | 2016-05-10 17:19:05 |
| R13.htm | 25424 | 2016-05-10 17:19:05 |
| R14.htm | 26601 | 2016-05-10 17:19:05 |
| R15.htm | 34568 | 2016-05-10 17:19:05 |
| R16.htm | 26090 | 2016-05-10 17:19:05 |
| R17.htm | 11874 | 2016-05-10 17:19:05 |
| R18.htm | 7412 | 2016-05-10 17:19:05 |
| R19.htm | 27355 | 2016-05-10 17:19:05 |
| R2.htm | 75029 | 2016-05-10 17:19:05 |
| R20.htm | 10699 | 2016-05-10 17:19:05 |
| R21.htm | 16915 | 2016-05-10 17:19:05 |
| R22.htm | 11458 | 2016-05-10 17:19:05 |
| R23.htm | 13886 | 2016-05-10 17:19:05 |
| R24.htm | 22793 | 2016-05-10 17:19:05 |
| R25.htm | 6256 | 2016-05-10 17:19:05 |
| R26.htm | 18685 | 2016-05-10 17:19:05 |
| R27.htm | 4634 | 2016-05-10 17:19:05 |
| R28.htm | 4199 | 2016-05-10 17:19:05 |
| R29.htm | 11469 | 2016-05-10 17:19:05 |
| R3.htm | 23003 | 2016-05-10 17:19:05 |
| R30.htm | 19409 | 2016-05-10 17:19:05 |
| R31.htm | 29395 | 2016-05-10 17:19:05 |
| R32.htm | 15242 | 2016-05-10 17:19:05 |
| R33.htm | 22570 | 2016-05-10 17:19:05 |
| R34.htm | 5795 | 2016-05-10 17:19:05 |
| R35.htm | 15108 | 2016-05-10 17:19:05 |
| R36.htm | 8847 | 2016-05-10 17:19:05 |
| R37.htm | 10242 | 2016-05-10 17:19:05 |
| R38.htm | 8425 | 2016-05-10 17:19:05 |
| R39.htm | 140573 | 2016-05-10 17:19:05 |
| R4.htm | 55970 | 2016-05-10 17:19:05 |
| R40.htm | 7972 | 2016-05-10 17:19:05 |
| R41.htm | 103621 | 2016-05-10 17:19:05 |
| R42.htm | 19517 | 2016-05-10 17:19:05 |
| R43.htm | 23586 | 2016-05-10 17:19:05 |
| R44.htm | 65671 | 2016-05-10 17:19:05 |
| R45.htm | 16341 | 2016-05-10 17:19:05 |
| R46.htm | 6705 | 2016-05-10 17:19:05 |
| R5.htm | 79543 | 2016-05-10 17:19:05 |
| R6.htm | 8169 | 2016-05-10 17:19:05 |
| R7.htm | 9372 | 2016-05-10 17:19:05 |
| R8.htm | 9998 | 2016-05-10 17:19:05 |
| R9.htm | 20580 | 2016-05-10 17:19:05 |
| report.css | 2767 | 2016-05-10 17:19:05 |
| Show.js | 1410 | 2016-05-10 17:19:05 |