Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000024751-12-000010-index-headers.html | 2012-02-14 14:56:48 | |
| 0000024751-12-000010-index.html | 2012-02-14 14:56:48 | |
| 0000024751-12-000010.txt | 2012-02-14 14:56:48 | |
 0000024751-12-000010-xbrl.zip | 42220 | 2012-02-14 14:56:48 |
| cng10qa.htm | 9448 | 2012-02-14 14:56:48 |
| cnig-20111231.xml | 128067 | 2012-02-14 14:56:48 |
| cnig-20111231.xsd | 15998 | 2012-02-14 14:56:48 |
| cnig-20111231_cal.xml | 36882 | 2012-02-14 14:56:48 |
| cnig-20111231_def.xml | 8802 | 2012-02-14 14:56:48 |
| cnig-20111231_lab.xml | 138328 | 2012-02-14 14:56:48 |
| cnig-20111231_pre.xml | 87320 | 2012-02-14 14:56:48 |
| ex31-1.htm | 4559 | 2012-02-14 14:56:48 |
| ex31-2.htm | 4520 | 2012-02-14 14:56:48 |
| ex32-1.htm | 2162 | 2012-02-14 14:56:48 |
| FilingSummary.xml | 10102 | 2012-02-14 14:56:48 |
| Financial_Report.xls | 131768 | 2012-02-14 14:56:48 |
| R1.htm | 33914 | 2012-02-14 14:56:48 |
| R10.htm | 9392 | 2012-02-14 14:56:48 |
| R11.htm | 10460 | 2012-02-14 14:56:48 |
| R12.htm | 6679 | 2012-02-14 14:56:48 |
| R13.htm | 23173 | 2012-02-14 14:56:48 |
| R14.htm | 19852 | 2012-02-14 14:56:48 |
| R15.htm | 9431 | 2012-02-14 14:56:48 |
| R16.htm | 5505 | 2012-02-14 14:56:48 |
| R17.htm | 6880 | 2012-02-14 14:56:48 |
| R18.htm | 5489 | 2012-02-14 14:56:48 |
| R19.htm | 7281 | 2012-02-14 14:56:48 |
| R2.htm | 170178 | 2012-02-14 14:56:48 |
| R20.htm | 15232 | 2012-02-14 14:56:48 |
| R21.htm | 8344 | 2012-02-14 14:56:48 |
| R3.htm | 26591 | 2012-02-14 14:56:48 |
| R4.htm | 107566 | 2012-02-14 14:56:48 |
| R5.htm | 162326 | 2012-02-14 14:56:48 |
| R6.htm | 6545 | 2012-02-14 14:56:48 |
| R7.htm | 11713 | 2012-02-14 14:56:48 |
| R8.htm | 14392 | 2012-02-14 14:56:48 |
| R9.htm | 19869 | 2012-02-14 14:56:48 |
| report.css | 2721 | 2012-02-14 14:56:48 |
| Show.js | 6423 | 2012-02-14 14:56:48 |