Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-12-241910-index.html | 2012-05-21 17:00:59 | |
| 0001193125-12-241910.txt | 2012-05-21 17:00:59 | |
 0001193125-12-241910-xbrl.zip | 33847 | 2012-05-21 17:00:59 |
| chcr-20120331.xml | 170378 | 2012-05-21 17:00:59 |
| chcr-20120331.xsd | 10066 | 2012-05-21 17:00:59 |
| chcr-20120331_cal.xml | 22158 | 2012-05-21 17:00:59 |
| chcr-20120331_def.xml | 22196 | 2012-05-21 17:00:59 |
| chcr-20120331_lab.xml | 96985 | 2012-05-21 17:00:59 |
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| d333812d10q.htm | 299142 | 2012-05-21 17:00:59 |
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| d333812dex312.htm | 6817 | 2012-05-21 17:00:59 |
| d333812dex321.htm | 3222 | 2012-05-21 17:00:59 |
| d333812dex322.htm | 3284 | 2012-05-21 17:00:59 |
| FilingSummary.xml | 8151 | 2012-05-21 17:00:59 |
| Financial_Report.xls | 156687 | 2012-05-21 17:00:59 |
| R1.htm | 26728 | 2012-05-21 17:00:59 |
| R10.htm | 20651 | 2012-05-21 17:00:59 |
| R11.htm | 23146 | 2012-05-21 17:00:59 |
| R12.htm | 81567 | 2012-05-21 17:00:59 |
| R13.htm | 9469 | 2012-05-21 17:00:59 |
| R14.htm | 21133 | 2012-05-21 17:00:59 |
| R15.htm | 5774 | 2012-05-21 17:00:59 |
| R2.htm | 93655 | 2012-05-21 17:00:59 |
| R3.htm | 31932 | 2012-05-21 17:00:59 |
| R4.htm | 70357 | 2012-05-21 17:00:59 |
| R5.htm | 6998 | 2012-05-21 17:00:59 |
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| R9.htm | 6426 | 2012-05-21 17:00:59 |
| report.css | 2721 | 2012-05-21 17:00:59 |
| Show.js | 6423 | 2012-05-21 17:00:59 |