Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-16-482422-index-headers.html | 2016-02-26 17:22:41 | |
| 0001193125-16-482422-index.html | 2016-02-26 17:22:41 | |
| 0001193125-16-482422.txt | 2016-02-26 17:22:41 | |
 0001193125-16-482422-xbrl.zip | 241428 | 2016-02-26 17:22:41 |
| d114967d10k.htm | 1259006 | 2016-02-26 17:22:41 |
| d114967dex1025.htm | 20302 | 2016-02-26 17:22:41 |
| d114967dex211.htm | 3694 | 2016-02-26 17:22:41 |
| d114967dex231.htm | 1446 | 2016-02-26 17:22:41 |
| d114967dex311.htm | 6162 | 2016-02-26 17:22:41 |
| d114967dex312.htm | 6150 | 2016-02-26 17:22:41 |
| d114967dex321.htm | 3134 | 2016-02-26 17:22:41 |
| d114967dex322.htm | 3131 | 2016-02-26 17:22:41 |
| d114967dex46.htm | 18668 | 2016-02-26 17:22:41 |
| FilingSummary.xml | 50604 | 2016-02-26 17:22:41 |
| Financial_Report.xlsx | 119574 | 2016-02-26 17:22:41 |
 g114967g47k80.jpg | 69531 | 2016-02-26 17:22:41 |
 g114967g95x25.jpg | 47332 | 2016-02-26 17:22:41 |
| psix-20151231.xml | 1588106 | 2016-02-26 17:22:41 |
| psix-20151231.xsd | 85867 | 2016-02-26 17:22:41 |
| psix-20151231_cal.xml | 122425 | 2016-02-26 17:22:41 |
| psix-20151231_def.xml | 350413 | 2016-02-26 17:22:41 |
| psix-20151231_lab.xml | 701205 | 2016-02-26 17:22:41 |
| psix-20151231_pre.xml | 526139 | 2016-02-26 17:22:41 |
| R1.htm | 29995 | 2016-02-26 17:22:41 |
| R10.htm | 25398 | 2016-02-26 17:22:41 |
| R11.htm | 18158 | 2016-02-26 17:22:41 |
| R12.htm | 51918 | 2016-02-26 17:22:41 |
| R13.htm | 32349 | 2016-02-26 17:22:41 |
| R14.htm | 23726 | 2016-02-26 17:22:41 |
| R15.htm | 11123 | 2016-02-26 17:22:41 |
| R16.htm | 34025 | 2016-02-26 17:22:41 |
| R17.htm | 31222 | 2016-02-26 17:22:41 |
| R18.htm | 80681 | 2016-02-26 17:22:41 |
| R19.htm | 6575 | 2016-02-26 17:22:41 |
| R2.htm | 87294 | 2016-02-26 17:22:41 |
| R20.htm | 7783 | 2016-02-26 17:22:41 |
| R21.htm | 11580 | 2016-02-26 17:22:41 |
| R22.htm | 58942 | 2016-02-26 17:22:41 |
| R23.htm | 119466 | 2016-02-26 17:22:41 |
| R24.htm | 38954 | 2016-02-26 17:22:41 |
| R25.htm | 110082 | 2016-02-26 17:22:41 |
| R26.htm | 18425 | 2016-02-26 17:22:41 |
| R27.htm | 17708 | 2016-02-26 17:22:41 |
| R28.htm | 42937 | 2016-02-26 17:22:41 |
| R29.htm | 26418 | 2016-02-26 17:22:41 |
| R3.htm | 22983 | 2016-02-26 17:22:41 |
| R30.htm | 6658 | 2016-02-26 17:22:41 |
| R31.htm | 9291 | 2016-02-26 17:22:41 |
| R32.htm | 19175 | 2016-02-26 17:22:41 |
| R33.htm | 61436 | 2016-02-26 17:22:41 |
| R34.htm | 57700 | 2016-02-26 17:22:41 |
| R35.htm | 61898 | 2016-02-26 17:22:41 |
| R36.htm | 8721 | 2016-02-26 17:22:41 |
| R37.htm | 15299 | 2016-02-26 17:22:41 |
| R38.htm | 11130 | 2016-02-26 17:22:41 |
| R39.htm | 10934 | 2016-02-26 17:22:41 |
| R4.htm | 61479 | 2016-02-26 17:22:41 |
| R40.htm | 14338 | 2016-02-26 17:22:41 |
| R41.htm | 6030 | 2016-02-26 17:22:41 |
| R42.htm | 198814 | 2016-02-26 17:22:41 |
| R43.htm | 120764 | 2016-02-26 17:22:41 |
| R44.htm | 25329 | 2016-02-26 17:22:41 |
| R45.htm | 20150 | 2016-02-26 17:22:41 |
| R46.htm | 16230 | 2016-02-26 17:22:41 |
| R47.htm | 36824 | 2016-02-26 17:22:41 |
| R48.htm | 22567 | 2016-02-26 17:22:41 |
| R49.htm | 4461 | 2016-02-26 17:22:41 |
| R5.htm | 36348 | 2016-02-26 17:22:41 |
| R50.htm | 18377 | 2016-02-26 17:22:41 |
| R51.htm | 10115 | 2016-02-26 17:22:41 |
| R52.htm | 7182 | 2016-02-26 17:22:41 |
| R53.htm | 12062 | 2016-02-26 17:22:41 |
| R54.htm | 22771 | 2016-02-26 17:22:41 |
| R55.htm | 17623 | 2016-02-26 17:22:41 |
| R56.htm | 17485 | 2016-02-26 17:22:41 |
| R57.htm | 12999 | 2016-02-26 17:22:41 |
| R58.htm | 12537 | 2016-02-26 17:22:41 |
| R59.htm | 8695 | 2016-02-26 17:22:41 |
| R6.htm | 130895 | 2016-02-26 17:22:41 |
| R60.htm | 139917 | 2016-02-26 17:22:41 |
| R61.htm | 7975 | 2016-02-26 17:22:41 |
| R62.htm | 4522 | 2016-02-26 17:22:41 |
| R63.htm | 19266 | 2016-02-26 17:22:41 |
| R64.htm | 103710 | 2016-02-26 17:22:41 |
| R65.htm | 15045 | 2016-02-26 17:22:41 |
| R66.htm | 23622 | 2016-02-26 17:22:41 |
| R67.htm | 119892 | 2016-02-26 17:22:41 |
| R68.htm | 27038 | 2016-02-26 17:22:41 |
| R69.htm | 47412 | 2016-02-26 17:22:41 |
| R7.htm | 64101 | 2016-02-26 17:22:41 |
| R70.htm | 21905 | 2016-02-26 17:22:41 |
| R71.htm | 28875 | 2016-02-26 17:22:41 |
| R72.htm | 13234 | 2016-02-26 17:22:41 |
| R73.htm | 11219 | 2016-02-26 17:22:41 |
| R74.htm | 10460 | 2016-02-26 17:22:41 |
| R75.htm | 11885 | 2016-02-26 17:22:41 |
| R76.htm | 14484 | 2016-02-26 17:22:41 |
| R77.htm | 36389 | 2016-02-26 17:22:41 |
| R8.htm | 10181 | 2016-02-26 17:22:41 |
| R9.htm | 148274 | 2016-02-26 17:22:41 |
| report.css | 2767 | 2016-02-26 17:22:41 |
| Show.js | 1410 | 2016-02-26 17:22:41 |