Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-16-004428-index-headers.html | 2016-03-28 19:12:45 | |
| 0001558370-16-004428-index.html | 2016-03-28 19:12:45 | |
| 0001558370-16-004428.txt | 2016-03-28 19:12:45 | |
 0001558370-16-004428-xbrl.zip | 277160 | 2016-03-28 19:12:45 |
| eprs-20151231.xml | 2588405 | 2016-03-28 19:12:45 |
| eprs-20151231.xsd | 95309 | 2016-03-28 19:12:45 |
| eprs-20151231ex10109e63d.htm | 61939 | 2016-03-28 19:12:45 |
| eprs-20151231ex1016101f8.htm | 39355 | 2016-03-28 19:12:45 |
| eprs-20151231ex1025d29f7.htm | 164189 | 2016-03-28 19:12:45 |
| eprs-20151231ex103676696.htm | 766146 | 2016-03-28 19:12:45 |
| eprs-20151231ex108496d9b.htm | 57859 | 2016-03-28 19:12:45 |
| eprs-20151231ex10939864a.htm | 58809 | 2016-03-28 19:12:45 |
| eprs-20151231ex2115fefc7.htm | 8055 | 2016-03-28 19:12:45 |
| eprs-20151231ex231daab4b.htm | 9453 | 2016-03-28 19:12:45 |
| eprs-20151231ex3114f7fef.htm | 16535 | 2016-03-28 19:12:45 |
| eprs-20151231ex3120ca05e.htm | 18023 | 2016-03-28 19:12:45 |
| eprs-20151231ex321f2a4aa.htm | 15642 | 2016-03-28 19:12:45 |
| eprs-20151231x10k.htm | 3251572 | 2016-03-28 19:12:45 |
| eprs-20151231_cal.xml | 115019 | 2016-03-28 19:12:45 |
| eprs-20151231_def.xml | 435555 | 2016-03-28 19:12:45 |
| eprs-20151231_lab.xml | 803917 | 2016-03-28 19:12:45 |
| eprs-20151231_pre.xml | 696087 | 2016-03-28 19:12:45 |
 eprs20151231x10k001.jpg | 96628 | 2016-03-28 19:12:45 |
 eprs20151231x10k002.jpg | 45954 | 2016-03-28 19:12:45 |
 eprs20151231x10k003.jpg | 35620 | 2016-03-28 19:12:45 |
 eprs20151231x10k004.jpg | 36984 | 2016-03-28 19:12:45 |
 eprs20151231x10k005.jpg | 42373 | 2016-03-28 19:12:45 |
| FilingSummary.xml | 43090 | 2016-03-28 19:12:45 |
| Financial_Report.xlsx | 120133 | 2016-03-28 19:12:45 |
| R1.htm | 28226 | 2016-03-28 19:12:45 |
| R10.htm | 88019 | 2016-03-28 19:12:45 |
| R11.htm | 105730 | 2016-03-28 19:12:45 |
| R12.htm | 12294 | 2016-03-28 19:12:45 |
| R13.htm | 25759 | 2016-03-28 19:12:45 |
| R14.htm | 36946 | 2016-03-28 19:12:45 |
| R15.htm | 57616 | 2016-03-28 19:12:45 |
| R16.htm | 23712 | 2016-03-28 19:12:45 |
| R17.htm | 29260 | 2016-03-28 19:12:45 |
| R18.htm | 65774 | 2016-03-28 19:12:45 |
| R19.htm | 69444 | 2016-03-28 19:12:45 |
| R2.htm | 87303 | 2016-03-28 19:12:45 |
| R20.htm | 27904 | 2016-03-28 19:12:45 |
| R21.htm | 256838 | 2016-03-28 19:12:45 |
| R22.htm | 163647 | 2016-03-28 19:12:45 |
| R23.htm | 34734 | 2016-03-28 19:12:45 |
| R24.htm | 26770 | 2016-03-28 19:12:45 |
| R25.htm | 7050 | 2016-03-28 19:12:45 |
| R26.htm | 9082 | 2016-03-28 19:12:45 |
| R27.htm | 13045 | 2016-03-28 19:12:45 |
| R28.htm | 10422 | 2016-03-28 19:12:45 |
| R29.htm | 144443 | 2016-03-28 19:12:45 |
| R3.htm | 21560 | 2016-03-28 19:12:45 |
| R30.htm | 11950 | 2016-03-28 19:12:45 |
| R31.htm | 70428 | 2016-03-28 19:12:45 |
| R32.htm | 79900 | 2016-03-28 19:12:45 |
| R33.htm | 25257 | 2016-03-28 19:12:45 |
| R34.htm | 35157 | 2016-03-28 19:12:45 |
| R35.htm | 50921 | 2016-03-28 19:12:45 |
| R36.htm | 22914 | 2016-03-28 19:12:45 |
| R37.htm | 16143 | 2016-03-28 19:12:45 |
| R38.htm | 60412 | 2016-03-28 19:12:45 |
| R39.htm | 66815 | 2016-03-28 19:12:45 |
| R4.htm | 47030 | 2016-03-28 19:12:45 |
| R40.htm | 22084 | 2016-03-28 19:12:45 |
| R41.htm | 239553 | 2016-03-28 19:12:45 |
| R42.htm | 150265 | 2016-03-28 19:12:45 |
| R43.htm | 24021 | 2016-03-28 19:12:45 |
| R44.htm | 24970 | 2016-03-28 19:12:45 |
| R45.htm | 14190 | 2016-03-28 19:12:45 |
| R46.htm | 52384 | 2016-03-28 19:12:45 |
| R47.htm | 117186 | 2016-03-28 19:12:45 |
| R48.htm | 126903 | 2016-03-28 19:12:45 |
| R49.htm | 187249 | 2016-03-28 19:12:45 |
| R5.htm | 87767 | 2016-03-28 19:12:45 |
| R50.htm | 16575 | 2016-03-28 19:12:45 |
| R51.htm | 13465 | 2016-03-28 19:12:45 |
| R52.htm | 20754 | 2016-03-28 19:12:45 |
| R53.htm | 11165 | 2016-03-28 19:12:45 |
| R54.htm | 41381 | 2016-03-28 19:12:45 |
| R55.htm | 17633 | 2016-03-28 19:12:45 |
| R56.htm | 15779 | 2016-03-28 19:12:45 |
| R57.htm | 95925 | 2016-03-28 19:12:45 |
| R58.htm | 17219 | 2016-03-28 19:12:45 |
| R59.htm | 80672 | 2016-03-28 19:12:45 |
| R6.htm | 140930 | 2016-03-28 19:12:45 |
| R60.htm | 14959 | 2016-03-28 19:12:45 |
| R61.htm | 20489 | 2016-03-28 19:12:45 |
| R62.htm | 55837 | 2016-03-28 19:12:45 |
| R63.htm | 145638 | 2016-03-28 19:12:45 |
| R64.htm | 97606 | 2016-03-28 19:12:45 |
| R65.htm | 22427 | 2016-03-28 19:12:45 |
| R66.htm | 57608 | 2016-03-28 19:12:45 |
| R67.htm | 28172 | 2016-03-28 19:12:45 |
| R68.htm | 27859 | 2016-03-28 19:12:45 |
| R69.htm | 66511 | 2016-03-28 19:12:45 |
| R7.htm | 18071 | 2016-03-28 19:12:45 |
| R70.htm | 22490 | 2016-03-28 19:12:45 |
| R71.htm | 4112 | 2016-03-28 19:12:45 |
| R72.htm | 9479 | 2016-03-28 19:12:45 |
| R73.htm | 33236 | 2016-03-28 19:12:45 |
| R74.htm | 26161 | 2016-03-28 19:12:45 |
| R8.htm | 86810 | 2016-03-28 19:12:45 |
| R9.htm | 47799 | 2016-03-28 19:12:45 |
| report.css | 2768 | 2016-03-28 19:12:45 |
| Show.js | 1410 | 2016-03-28 19:12:45 |