Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000048732-17-000008-index-headers.html | 2017-02-28 06:27:11 | |
| 0000048732-17-000008-index.html | 2017-02-28 06:27:11 | |
| 0000048732-17-000008.txt | 2017-02-28 06:27:11 | |
 0000048732-17-000008-xbrl.zip | 204475 | 2017-02-28 06:27:11 |
| cehe-20161231.xml | 1420583 | 2017-02-28 06:27:11 |
| cehe-20161231.xsd | 41418 | 2017-02-28 06:27:11 |
| cehe-20161231_cal.xml | 78668 | 2017-02-28 06:27:11 |
| cehe-20161231_def.xml | 281498 | 2017-02-28 06:27:11 |
| cehe-20161231_lab.xml | 687283 | 2017-02-28 06:27:11 |
| cehe-20161231_pre.xml | 382148 | 2017-02-28 06:27:11 |
| cehe_10kx12312016.htm | 1516264 | 2017-02-28 06:27:11 |
| cehe_exhibit12x12312016.htm | 54510 | 2017-02-28 06:27:11 |
| cehe_exhibit23x12312016.htm | 3040 | 2017-02-28 06:27:11 |
| cehe_exhibit311x12312016.htm | 13008 | 2017-02-28 06:27:11 |
| cehe_exhibit312x12312016.htm | 12759 | 2017-02-28 06:27:11 |
| cehe_exhibit321x12312016.htm | 6012 | 2017-02-28 06:27:11 |
| cehe_exhibit322x12312016.htm | 6022 | 2017-02-28 06:27:11 |
| FilingSummary.xml | 24957 | 2017-02-28 06:27:11 |
| Financial_Report.xlsx | 69102 | 2017-02-28 06:27:11 |
| R1.htm | 27816 | 2017-02-28 06:27:11 |
| R10.htm | 43395 | 2017-02-28 06:27:11 |
| R11.htm | 51956 | 2017-02-28 06:27:11 |
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| R19.htm | 34966 | 2017-02-28 06:27:11 |
| R2.htm | 32626 | 2017-02-28 06:27:11 |
| R20.htm | 79861 | 2017-02-28 06:27:11 |
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| R22.htm | 29673 | 2017-02-28 06:27:11 |
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| R24.htm | 17975 | 2017-02-28 06:27:11 |
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| R26.htm | 94886 | 2017-02-28 06:27:11 |
| R27.htm | 78685 | 2017-02-28 06:27:11 |
| R28.htm | 34180 | 2017-02-28 06:27:11 |
| R29.htm | 4015 | 2017-02-28 06:27:11 |
| R3.htm | 13740 | 2017-02-28 06:27:11 |
| R30.htm | 36528 | 2017-02-28 06:27:11 |
| R31.htm | 44969 | 2017-02-28 06:27:11 |
| R32.htm | 28318 | 2017-02-28 06:27:11 |
| R33.htm | 145579 | 2017-02-28 06:27:11 |
| R34.htm | 84717 | 2017-02-28 06:27:11 |
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| R37.htm | 37120 | 2017-02-28 06:27:11 |
| R38.htm | 146450 | 2017-02-28 06:27:11 |
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| R4.htm | 3675 | 2017-02-28 06:27:11 |
| R40.htm | 17111 | 2017-02-28 06:27:11 |
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| R5.htm | 93593 | 2017-02-28 06:27:11 |
| R6.htm | 15588 | 2017-02-28 06:27:11 |
| R7.htm | 92093 | 2017-02-28 06:27:11 |
| R8.htm | 25190 | 2017-02-28 06:27:11 |
| R9.htm | 6994 | 2017-02-28 06:27:11 |
| report.css | 2767 | 2017-02-28 06:27:11 |
| Show.js | 1410 | 2017-02-28 06:27:11 |