Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000048732-13-000010-index.html | 2013-05-08 15:12:38 | |
| 0000048732-13-000010.txt | 2013-05-08 15:12:38 | |
 0000048732-13-000010-xbrl.zip | 76100 | 2013-05-08 15:12:38 |
| cehe-20130331.xml | 199217 | 2013-05-08 15:12:38 |
| cehe-20130331.xsd | 24432 | 2013-05-08 15:12:38 |
| cehe-20130331_cal.xml | 57112 | 2013-05-08 15:12:38 |
| cehe-20130331_def.xml | 113964 | 2013-05-08 15:12:38 |
| cehe-20130331_lab.xml | 291577 | 2013-05-08 15:12:38 |
| cehe-20130331_pre.xml | 168708 | 2013-05-08 15:12:38 |
| ceheq1201310-q.htm | 609154 | 2013-05-08 15:12:38 |
| cehe_exhibit12x03312013.htm | 24287 | 2013-05-08 15:12:38 |
| cehe_exhibit311x03312013.htm | 13015 | 2013-05-08 15:12:38 |
| cehe_exhibit312x03312013.htm | 12760 | 2013-05-08 15:12:38 |
| cehe_exhibit321x03312013.htm | 6024 | 2013-05-08 15:12:38 |
| cehe_exhibit322x03312013.htm | 6028 | 2013-05-08 15:12:38 |
| FilingSummary.xml | 12882 | 2013-05-08 15:12:38 |
| Financial_Report.xls | 187504 | 2013-05-08 15:12:38 |
| R1.htm | 37324 | 2013-05-08 15:12:38 |
| R10.htm | 30266 | 2013-05-08 15:12:38 |
| R11.htm | 15207 | 2013-05-08 15:12:38 |
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| R19.htm | 28292 | 2013-05-08 15:12:38 |
| R2.htm | 45862 | 2013-05-08 15:12:38 |
| R20.htm | 5640 | 2013-05-08 15:12:38 |
| R21.htm | 20645 | 2013-05-08 15:12:38 |
| R22.htm | 20360 | 2013-05-08 15:12:38 |
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| R3.htm | 169185 | 2013-05-08 15:12:38 |
| R4.htm | 22451 | 2013-05-08 15:12:38 |
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| R6.htm | 15724 | 2013-05-08 15:12:38 |
| R7.htm | 6394 | 2013-05-08 15:12:38 |
| R8.htm | 27626 | 2013-05-08 15:12:38 |
| R9.htm | 6731 | 2013-05-08 15:12:38 |
| report.css | 2721 | 2013-05-08 15:12:38 |
| Show.js | 6423 | 2013-05-08 15:12:38 |