Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001042773-12-000007-index-headers.html | 2012-03-13 12:07:11 | |
| 0001042773-12-000007-index.html | 2012-03-13 12:07:11 | |
| 0001042773-12-000007.txt | 2012-03-13 12:07:11 | |
 0001042773-12-000007-xbrl.zip | 100267 | 2012-03-13 12:07:11 |
| cerc-20111231.xml | 1155182 | 2012-03-13 12:07:11 |
| cerc-20111231.xsd | 17859 | 2012-03-13 12:07:11 |
| cerc-20111231_cal.xml | 55890 | 2012-03-13 12:07:11 |
| cerc-20111231_def.xml | 8691 | 2012-03-13 12:07:11 |
| cerc-20111231_lab.xml | 214284 | 2012-03-13 12:07:11 |
| cerc-20111231_pre.xml | 105909 | 2012-03-13 12:07:11 |
| cerc201110-k.htm | 2052416 | 2012-03-13 12:07:11 |
| cercexhibit12.htm | 65887 | 2012-03-13 12:07:11 |
| cercexhibit23.htm | 3963 | 2012-03-13 12:07:11 |
| cercexhibit311.htm | 12190 | 2012-03-13 12:07:11 |
| cercexhibit312.htm | 12332 | 2012-03-13 12:07:11 |
| cercexhibit321.htm | 6600 | 2012-03-13 12:07:11 |
| cercexhibit322.htm | 5838 | 2012-03-13 12:07:11 |
| FilingSummary.xml | 10450 | 2012-03-13 12:07:11 |
| Financial_Report.xls | 1003386 | 2012-03-13 12:07:11 |
| R1.htm | 36474 | 2012-03-13 12:07:11 |
| R10.htm | 16035 | 2012-03-13 12:07:11 |
| R11.htm | 24874 | 2012-03-13 12:07:11 |
| R12.htm | 186348 | 2012-03-13 12:07:11 |
| R13.htm | 15486 | 2012-03-13 12:07:11 |
| R14.htm | 107968 | 2012-03-13 12:07:11 |
| R15.htm | 143744 | 2012-03-13 12:07:11 |
| R16.htm | 67864 | 2012-03-13 12:07:11 |
| R17.htm | 135199 | 2012-03-13 12:07:11 |
| R18.htm | 43033 | 2012-03-13 12:07:11 |
| R19.htm | 38757 | 2012-03-13 12:07:11 |
| R2.htm | 56246 | 2012-03-13 12:07:11 |
| R20.htm | 158067 | 2012-03-13 12:07:11 |
| R3.htm | 28116 | 2012-03-13 12:07:11 |
| R4.htm | 155433 | 2012-03-13 12:07:11 |
| R5.htm | 164139 | 2012-03-13 12:07:11 |
| R6.htm | 31504 | 2012-03-13 12:07:11 |
| R7.htm | 12187 | 2012-03-13 12:07:11 |
| R8.htm | 45644 | 2012-03-13 12:07:11 |
| R9.htm | 67111 | 2012-03-13 12:07:11 |
| report.css | 2721 | 2012-03-13 12:07:11 |
| Show.js | 6423 | 2012-03-13 12:07:11 |