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| 0001104659-20-121637-index.html | 2020-11-05 10:40:41 | |
| 0001104659-20-121637.txt | 2020-11-05 10:40:41 | |
 0001104659-20-121637-xbrl.zip | 200270 | 2020-11-05 10:40:41 |
| ccoi-20200930.xsd | 33411 | 2020-11-05 10:40:41 |
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| ccoi-20200930xex32d1.htm | 5808 | 2020-11-05 10:40:41 |
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| report.css | 2767 | 2020-11-05 10:40:41 |
| Show.js | 1085 | 2020-11-05 10:40:41 |