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| 0000019353-12-000034-index.html | 2012-06-01 16:37:27 | |
| 0000019353-12-000034.txt | 2012-06-01 16:37:27 | |
 0000019353-12-000034-xbrl.zip | 150521 | 2012-06-01 16:37:27 |
| chrs-042812_q1x10q.htm | 1068144 | 2012-06-01 16:37:27 |
| chrs-042812_q1xex311.htm | 15510 | 2012-06-01 16:37:27 |
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| chrs-042812_q1xex32.htm | 12643 | 2012-06-01 16:37:27 |
| chrs-20120428.xml | 1035713 | 2012-06-01 16:37:27 |
| chrs-20120428.xsd | 50060 | 2012-06-01 16:37:27 |
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| chrs-20120428_pre.xml | 283945 | 2012-06-01 16:37:27 |
| FilingSummary.xml | 19844 | 2012-06-01 16:37:27 |
| Financial_Report.xls | 890189 | 2012-06-01 16:37:27 |
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