Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000928022-18-000031-index-headers.html | 2018-05-02 17:34:56 | |
| 0000928022-18-000031-index.html | 2018-05-02 17:34:56 | |
| 0000928022-18-000031.txt | 2018-05-02 17:34:56 | |
 0000928022-18-000031-xbrl.zip | 147951 | 2018-05-02 17:34:56 |
| a1q18form10q.htm | 1006012 | 2018-05-02 17:34:56 |
| cpe-20180331.xml | 992160 | 2018-05-02 17:34:56 |
| cpe-20180331.xsd | 35100 | 2018-05-02 17:34:56 |
| cpe-20180331_cal.xml | 72649 | 2018-05-02 17:34:56 |
| cpe-20180331_def.xml | 214007 | 2018-05-02 17:34:56 |
| cpe-20180331_lab.xml | 491789 | 2018-05-02 17:34:56 |
| cpe-20180331_pre.xml | 308317 | 2018-05-02 17:34:56 |
| ex311-1q18ceocertification.htm | 15959 | 2018-05-02 17:34:56 |
| ex312-1q18cfocertification.htm | 16014 | 2018-05-02 17:34:56 |
| ex32-1q18section1350certif.htm | 11547 | 2018-05-02 17:34:56 |
| FilingSummary.xml | 26455 | 2018-05-02 17:34:56 |
| Financial_Report.xlsx | 53495 | 2018-05-02 17:34:56 |
| R1.htm | 20236 | 2018-05-02 17:34:56 |
| R10.htm | 32554 | 2018-05-02 17:34:56 |
| R11.htm | 151783 | 2018-05-02 17:34:56 |
| R12.htm | 80432 | 2018-05-02 17:34:56 |
| R13.htm | 6991 | 2018-05-02 17:34:56 |
| R14.htm | 15552 | 2018-05-02 17:34:56 |
| R15.htm | 10898 | 2018-05-02 17:34:56 |
| R16.htm | 7224 | 2018-05-02 17:34:56 |
| R17.htm | 18620 | 2018-05-02 17:34:56 |
| R18.htm | 24742 | 2018-05-02 17:34:56 |
| R19.htm | 28438 | 2018-05-02 17:34:56 |
| R2.htm | 96983 | 2018-05-02 17:34:56 |
| R20.htm | 20650 | 2018-05-02 17:34:56 |
| R21.htm | 182946 | 2018-05-02 17:34:56 |
| R22.htm | 77272 | 2018-05-02 17:34:56 |
| R23.htm | 14285 | 2018-05-02 17:34:56 |
| R24.htm | 16032 | 2018-05-02 17:34:56 |
| R25.htm | 27199 | 2018-05-02 17:34:56 |
| R26.htm | 13981 | 2018-05-02 17:34:56 |
| R27.htm | 13991 | 2018-05-02 17:34:56 |
| R28.htm | 29288 | 2018-05-02 17:34:56 |
| R29.htm | 20149 | 2018-05-02 17:34:56 |
| R3.htm | 23153 | 2018-05-02 17:34:56 |
| R30.htm | 36679 | 2018-05-02 17:34:56 |
| R31.htm | 46796 | 2018-05-02 17:34:56 |
| R32.htm | 33084 | 2018-05-02 17:34:56 |
| R33.htm | 29207 | 2018-05-02 17:34:56 |
| R34.htm | 16371 | 2018-05-02 17:34:56 |
| R35.htm | 32174 | 2018-05-02 17:34:56 |
| R36.htm | 16747 | 2018-05-02 17:34:56 |
| R37.htm | 17915 | 2018-05-02 17:34:56 |
| R38.htm | 23070 | 2018-05-02 17:34:56 |
| R39.htm | 5841 | 2018-05-02 17:34:56 |
| R4.htm | 61646 | 2018-05-02 17:34:56 |
| R40.htm | 22260 | 2018-05-02 17:34:56 |
| R41.htm | 24281 | 2018-05-02 17:34:56 |
| R42.htm | 13212 | 2018-05-02 17:34:56 |
| R5.htm | 68877 | 2018-05-02 17:34:56 |
| R6.htm | 20217 | 2018-05-02 17:34:56 |
| R7.htm | 12247 | 2018-05-02 17:34:56 |
| R8.htm | 29478 | 2018-05-02 17:34:56 |
| R9.htm | 28487 | 2018-05-02 17:34:56 |
| report.css | 2767 | 2018-05-02 17:34:56 |
| Show.js | 1410 | 2018-05-02 17:34:56 |