Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001042773-13-000003-index-headers.html | 2013-03-08 13:40:07 | |
| 0001042773-13-000003-index.html | 2013-03-08 13:40:07 | |
| 0001042773-13-000003.txt | 2013-03-08 13:40:07 | |
 0001042773-13-000003-xbrl.zip | 301172 | 2013-03-08 13:40:07 |
| cerc-20121231.xml | 2603773 | 2013-03-08 13:40:07 |
| cerc-20121231.xsd | 73911 | 2013-03-08 13:40:07 |
| cerc-20121231_cal.xml | 99640 | 2013-03-08 13:40:07 |
| cerc-20121231_def.xml | 320116 | 2013-03-08 13:40:07 |
| cerc-20121231_lab.xml | 967105 | 2013-03-08 13:40:07 |
| cerc-20121231_pre.xml | 467719 | 2013-03-08 13:40:07 |
| cerc201210-k.htm | 2073944 | 2013-03-08 13:40:07 |
| cercexhibit12_12312012.htm | 65804 | 2013-03-08 13:40:07 |
| cercexhibit23_12312012.htm | 4372 | 2013-03-08 13:40:07 |
| cercexhibit311_12312012.htm | 12155 | 2013-03-08 13:40:07 |
| cercexhibit312_12312012.htm | 12300 | 2013-03-08 13:40:07 |
| cercexhibit321_12312012.htm | 6577 | 2013-03-08 13:40:07 |
| cercexhibit322_12312012.htm | 5818 | 2013-03-08 13:40:07 |
| FilingSummary.xml | 26185 | 2013-03-08 13:40:07 |
| Financial_Report.xls | 2213107 | 2013-03-08 13:40:07 |
| R1.htm | 36455 | 2013-03-08 13:40:07 |
| R10.htm | 67400 | 2013-03-08 13:40:07 |
| R11.htm | 33377 | 2013-03-08 13:40:07 |
| R12.htm | 16005 | 2013-03-08 13:40:07 |
| R13.htm | 185844 | 2013-03-08 13:40:07 |
| R14.htm | 14165 | 2013-03-08 13:40:07 |
| R15.htm | 107081 | 2013-03-08 13:40:07 |
| R16.htm | 143460 | 2013-03-08 13:40:07 |
| R17.htm | 62896 | 2013-03-08 13:40:07 |
| R18.htm | 145663 | 2013-03-08 13:40:07 |
| R19.htm | 43980 | 2013-03-08 13:40:07 |
| R2.htm | 65600 | 2013-03-08 13:40:07 |
| R20.htm | 37465 | 2013-03-08 13:40:07 |
| R21.htm | 155248 | 2013-03-08 13:40:07 |
| R22.htm | 95105 | 2013-03-08 13:40:07 |
| R23.htm | 13922 | 2013-03-08 13:40:07 |
| R24.htm | 68048 | 2013-03-08 13:40:07 |
| R25.htm | 30988 | 2013-03-08 13:40:07 |
| R26.htm | 15716 | 2013-03-08 13:40:07 |
| R27.htm | 169803 | 2013-03-08 13:40:07 |
| R28.htm | 96536 | 2013-03-08 13:40:07 |
| R29.htm | 147653 | 2013-03-08 13:40:07 |
| R3.htm | 4278 | 2013-03-08 13:40:07 |
| R30.htm | 59102 | 2013-03-08 13:40:07 |
| R31.htm | 134497 | 2013-03-08 13:40:07 |
| R32.htm | 15354 | 2013-03-08 13:40:07 |
| R33.htm | 34198 | 2013-03-08 13:40:07 |
| R34.htm | 152866 | 2013-03-08 13:40:07 |
| R35.htm | 64693 | 2013-03-08 13:40:07 |
| R36.htm | 80796 | 2013-03-08 13:40:07 |
| R37.htm | 52498 | 2013-03-08 13:40:07 |
| R38.htm | 32081 | 2013-03-08 13:40:07 |
| R39.htm | 13999 | 2013-03-08 13:40:07 |
| R4.htm | 27596 | 2013-03-08 13:40:07 |
| R40.htm | 232086 | 2013-03-08 13:40:07 |
| R41.htm | 95854 | 2013-03-08 13:40:07 |
| R42.htm | 6586 | 2013-03-08 13:40:07 |
| R43.htm | 15794 | 2013-03-08 13:40:07 |
| R44.htm | 77701 | 2013-03-08 13:40:07 |
| R45.htm | 100291 | 2013-03-08 13:40:07 |
| R46.htm | 71930 | 2013-03-08 13:40:07 |
| R47.htm | 248934 | 2013-03-08 13:40:07 |
| R48.htm | 120971 | 2013-03-08 13:40:07 |
| R49.htm | 16009 | 2013-03-08 13:40:07 |
| R5.htm | 165830 | 2013-03-08 13:40:07 |
| R50.htm | 115840 | 2013-03-08 13:40:07 |
| R51.htm | 21466 | 2013-03-08 13:40:07 |
| R6.htm | 161802 | 2013-03-08 13:40:07 |
| R7.htm | 32375 | 2013-03-08 13:40:07 |
| R8.htm | 12305 | 2013-03-08 13:40:07 |
| R9.htm | 44679 | 2013-03-08 13:40:07 |
| report.css | 2721 | 2013-03-08 13:40:07 |
| Show.js | 6423 | 2013-03-08 13:40:07 |