Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-11-299850-index-headers.html | 2011-11-07 16:25:42 | |
| 0001193125-11-299850-index.html | 2011-11-07 16:25:42 | |
| 0001193125-11-299850.txt | 2011-11-07 16:25:42 | |
 0001193125-11-299850-xbrl.zip | 41380 | 2011-11-07 16:25:42 |
| d234318d10q.htm | 769662 | 2011-11-07 16:25:42 |
| d234318dex311.htm | 7335 | 2011-11-07 16:25:42 |
| d234318dex312.htm | 7332 | 2011-11-07 16:25:42 |
| d234318dex321.htm | 5322 | 2011-11-07 16:25:42 |
| ephc-20110930.xml | 266910 | 2011-11-07 16:25:42 |
| ephc-20110930.xsd | 11758 | 2011-11-07 16:25:42 |
| ephc-20110930_cal.xml | 38348 | 2011-11-07 16:25:42 |
| ephc-20110930_def.xml | 13509 | 2011-11-07 16:25:42 |
| ephc-20110930_lab.xml | 154113 | 2011-11-07 16:25:42 |
| ephc-20110930_pre.xml | 96069 | 2011-11-07 16:25:42 |
| FilingSummary.xml | 9703 | 2011-11-07 16:25:42 |
| Financial_Report.xls | 221655 | 2011-11-07 16:25:42 |
 g234318g01w85.jpg | 94774 | 2011-11-07 16:25:42 |
 g234318g08u92.jpg | 46250 | 2011-11-07 16:25:42 |
 g234318g12p05.jpg | 9421 | 2011-11-07 16:25:42 |
 g234318g31k65.jpg | 36309 | 2011-11-07 16:25:42 |
 g234318g52x73.jpg | 47203 | 2011-11-07 16:25:42 |
 g234318g65t78.jpg | 34423 | 2011-11-07 16:25:42 |
 g234318g66m88.jpg | 34307 | 2011-11-07 16:25:42 |
 g234318g79w53.jpg | 44658 | 2011-11-07 16:25:42 |
 g234318g89x85.jpg | 34976 | 2011-11-07 16:25:42 |
 g234318g97b48.jpg | 35739 | 2011-11-07 16:25:42 |
 g234318g97f59.jpg | 11353 | 2011-11-07 16:25:42 |
| R1.htm | 18189 | 2011-11-07 16:25:42 |
| R10.htm | 35430 | 2011-11-07 16:25:42 |
| R11.htm | 52534 | 2011-11-07 16:25:42 |
| R12.htm | 43004 | 2011-11-07 16:25:42 |
| R13.htm | 10023 | 2011-11-07 16:25:42 |
| R14.htm | 19183 | 2011-11-07 16:25:42 |
| R15.htm | 23804 | 2011-11-07 16:25:42 |
| R16.htm | 18576 | 2011-11-07 16:25:42 |
| R17.htm | 6388 | 2011-11-07 16:25:42 |
| R2.htm | 109306 | 2011-11-07 16:25:42 |
| R3.htm | 26407 | 2011-11-07 16:25:42 |
| R4.htm | 66295 | 2011-11-07 16:25:42 |
| R5.htm | 32042 | 2011-11-07 16:25:42 |
| R6.htm | 64827 | 2011-11-07 16:25:42 |
| R7.htm | 122772 | 2011-11-07 16:25:42 |
| R8.htm | 15928 | 2011-11-07 16:25:42 |
| R9.htm | 4562 | 2011-11-07 16:25:42 |
| report.css | 2721 | 2011-11-07 16:25:42 |
| Show.js | 6423 | 2011-11-07 16:25:42 |