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| 0001042773-15-000005-index.html | 2015-03-11 12:07:21 | |
| 0001042773-15-000005.txt | 2015-03-11 12:07:21 | |
 0001042773-15-000005-xbrl.zip | 372154 | 2015-03-11 12:07:21 |
| cerc-20141231.xml | 3337160 | 2015-03-11 12:07:21 |
| cerc-20141231.xsd | 68005 | 2015-03-11 12:07:21 |
| cerc-20141231_cal.xml | 114430 | 2015-03-11 12:07:21 |
| cerc-20141231_def.xml | 517581 | 2015-03-11 12:07:21 |
| cerc-20141231_lab.xml | 1103638 | 2015-03-11 12:07:21 |
| cerc-20141231_pre.xml | 619490 | 2015-03-11 12:07:21 |
| cerc201410-k.htm | 2468958 | 2015-03-11 12:07:21 |
| cercexhibit12_12312014.htm | 66078 | 2015-03-11 12:07:21 |
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| FilingSummary.xml | 31844 | 2015-03-11 12:07:21 |
| Financial_Report.xls | 2898946 | 2015-03-11 12:07:21 |
| Financial_Report.xlsx | 344047 | 2015-03-11 12:07:21 |
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| report.css | 2740 | 2015-03-11 12:07:21 |
| Show.js | 1410 | 2015-03-11 12:07:21 |