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|---|---|---|
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| 0000048732-13-000004-index.html | 2013-03-13 14:30:42 | |
| 0000048732-13-000004.txt | 2013-03-13 14:30:42 | |
 0000048732-13-000004-xbrl.zip | 207788 | 2013-03-13 14:30:42 |
| cehe-20121231.xml | 1377839 | 2013-03-13 14:30:42 |
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| cehe-20121231_cal.xml | 80265 | 2013-03-13 14:30:42 |
| cehe-20121231_def.xml | 243490 | 2013-03-13 14:30:42 |
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| cehe_10kx12312012.htm | 1519283 | 2013-03-13 14:30:42 |
| cehe_exhibit12x12312012.htm | 53917 | 2013-03-13 14:30:42 |
| cehe_exhibit23x12312012.htm | 3260 | 2013-03-13 14:30:42 |
| cehe_exhibit311x12312012.htm | 13015 | 2013-03-13 14:30:42 |
| cehe_exhibit312x12312012.htm | 12760 | 2013-03-13 14:30:42 |
| cehe_exhibit321x12312012.htm | 6019 | 2013-03-13 14:30:42 |
| cehe_exhibit322x12312012.htm | 6023 | 2013-03-13 14:30:42 |
| FilingSummary.xml | 21159 | 2013-03-13 14:30:42 |
| Financial_Report.xls | 1243420 | 2013-03-13 14:30:42 |
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| R9.htm | 28017 | 2013-03-13 14:30:42 |
| report.css | 2721 | 2013-03-13 14:30:42 |
| Show.js | 6423 | 2013-03-13 14:30:42 |