Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000887396-13-000002-index.html | 2013-05-13 15:08:16 | |
| 0000887396-13-000002.txt | 2013-05-13 15:08:16 | |
 0000887396-13-000002-xbrl.zip | 13753 | 2013-05-13 15:08:16 |
| empr-20130331.xml | 29567 | 2013-05-13 15:08:16 |
| empr-20130331.xsd | 5223 | 2013-05-13 15:08:16 |
| empr-20130331_lab.xml | 45801 | 2013-05-13 15:08:16 |
| empr-20130331_pre.xml | 31642 | 2013-05-13 15:08:16 |
| exh31-03132013.htm | 7970 | 2013-05-13 15:08:16 |
| exh32-03132013.htm | 4770 | 2013-05-13 15:08:16 |
| FilingSummary.xml | 4262 | 2013-05-13 15:08:16 |
| Financial_Report.xls | 33561 | 2013-05-13 15:08:16 |
| form10q-032013.htm | 144628 | 2013-05-13 15:08:16 |
| R1.htm | 36413 | 2013-05-13 15:08:16 |
| R2.htm | 55054 | 2013-05-13 15:08:16 |
| R3.htm | 38568 | 2013-05-13 15:08:16 |
| R4.htm | 38054 | 2013-05-13 15:08:16 |
| R5.htm | 11587 | 2013-05-13 15:08:16 |
| R6.htm | 10389 | 2013-05-13 15:08:16 |
| R7.htm | 17190 | 2013-05-13 15:08:16 |
| report.css | 2720 | 2013-05-13 15:08:16 |
| Show.js | 6423 | 2013-05-13 15:08:16 |