Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-450365-index-headers.html | 2012-11-05 06:15:43 | |
| 0001193125-12-450365-index.html | 2012-11-05 06:15:43 | |
| 0001193125-12-450365.txt | 2012-11-05 06:15:43 | |
 0001193125-12-450365-xbrl.zip | 92828 | 2012-11-05 06:15:43 |
| d412842d10q.htm | 858037 | 2012-11-05 06:15:43 |
| d412842dex311.htm | 8012 | 2012-11-05 06:15:43 |
| d412842dex312.htm | 8010 | 2012-11-05 06:15:43 |
| d412842dex321.htm | 6602 | 2012-11-05 06:15:43 |
| ephc-20120930.xml | 600781 | 2012-11-05 06:15:43 |
| ephc-20120930.xsd | 40098 | 2012-11-05 06:15:43 |
| ephc-20120930_cal.xml | 65317 | 2012-11-05 06:15:43 |
| ephc-20120930_def.xml | 204825 | 2012-11-05 06:15:43 |
| ephc-20120930_lab.xml | 290161 | 2012-11-05 06:15:43 |
| ephc-20120930_pre.xml | 244585 | 2012-11-05 06:15:43 |
| FilingSummary.xml | 22722 | 2012-11-05 06:15:43 |
| Financial_Report.xls | 477760 | 2012-11-05 06:15:43 |
 g412842fs_pg001.jpg | 5526 | 2012-11-05 06:15:43 |
 g412842toc_pg001.jpg | 5526 | 2012-11-05 06:15:43 |
 g412842tx_pg018.jpg | 134245 | 2012-11-05 06:15:43 |
 g412842tx_pg020.jpg | 114229 | 2012-11-05 06:15:43 |
 g412842tx_pg023.jpg | 69215 | 2012-11-05 06:15:43 |
 g412842tx_pg026.jpg | 58710 | 2012-11-05 06:15:43 |
| R1.htm | 28805 | 2012-11-05 06:15:43 |
| R10.htm | 62739 | 2012-11-05 06:15:43 |
| R11.htm | 48272 | 2012-11-05 06:15:43 |
| R12.htm | 32691 | 2012-11-05 06:15:43 |
| R13.htm | 11890 | 2012-11-05 06:15:43 |
| R14.htm | 18264 | 2012-11-05 06:15:43 |
| R15.htm | 21081 | 2012-11-05 06:15:43 |
| R16.htm | 11892 | 2012-11-05 06:15:43 |
| R17.htm | 7131 | 2012-11-05 06:15:43 |
| R18.htm | 4165 | 2012-11-05 06:15:43 |
| R19.htm | 33465 | 2012-11-05 06:15:43 |
| R2.htm | 130654 | 2012-11-05 06:15:43 |
| R20.htm | 50873 | 2012-11-05 06:15:43 |
| R21.htm | 49503 | 2012-11-05 06:15:43 |
| R22.htm | 31277 | 2012-11-05 06:15:43 |
| R23.htm | 14840 | 2012-11-05 06:15:43 |
| R24.htm | 18079 | 2012-11-05 06:15:43 |
| R25.htm | 13424 | 2012-11-05 06:15:43 |
| R26.htm | 3293 | 2012-11-05 06:15:43 |
| R27.htm | 35234 | 2012-11-05 06:15:43 |
| R28.htm | 11270 | 2012-11-05 06:15:43 |
| R29.htm | 27109 | 2012-11-05 06:15:43 |
| R3.htm | 30089 | 2012-11-05 06:15:43 |
| R30.htm | 9038 | 2012-11-05 06:15:43 |
| R31.htm | 18093 | 2012-11-05 06:15:43 |
| R32.htm | 45878 | 2012-11-05 06:15:43 |
| R33.htm | 33536 | 2012-11-05 06:15:43 |
| R34.htm | 18239 | 2012-11-05 06:15:43 |
| R35.htm | 6978 | 2012-11-05 06:15:43 |
| R36.htm | 38795 | 2012-11-05 06:15:43 |
| R37.htm | 46318 | 2012-11-05 06:15:43 |
| R38.htm | 11186 | 2012-11-05 06:15:43 |
| R39.htm | 10788 | 2012-11-05 06:15:43 |
| R4.htm | 78880 | 2012-11-05 06:15:43 |
| R40.htm | 7824 | 2012-11-05 06:15:43 |
| R5.htm | 29447 | 2012-11-05 06:15:43 |
| R6.htm | 73147 | 2012-11-05 06:15:43 |
| R7.htm | 148547 | 2012-11-05 06:15:43 |
| R8.htm | 21031 | 2012-11-05 06:15:43 |
| R9.htm | 7793 | 2012-11-05 06:15:43 |
| report.css | 2721 | 2012-11-05 06:15:43 |
| Show.js | 6423 | 2012-11-05 06:15:43 |