Parent Directory| Name | Size | Last Modified |
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| 0001437749-23-012980-index.html | 2023-05-08 14:09:45 | |
| 0001437749-23-012980.txt | 2023-05-08 14:09:45 | |
 0001437749-23-012980-xbrl.zip | 78031 | 2023-05-08 14:09:45 |
| ckx-20230331.xsd | 26741 | 2023-05-08 14:09:45 |
| ckx-20230331_cal.xml | 22516 | 2023-05-08 14:09:45 |
| ckx-20230331_def.xml | 195110 | 2023-05-08 14:09:45 |
| ckx-20230331_lab.xml | 164099 | 2023-05-08 14:09:45 |
| ckx-20230331_pre.xml | 208723 | 2023-05-08 14:09:45 |
| ckx20230331_10q.htm | 488834 | 2023-05-08 14:09:45 |
| ckx20230331_10q_htm.xml | 350498 | 2023-05-08 14:09:45 |
| ex_512607.htm | 4610 | 2023-05-08 14:09:45 |
| ex_512608.htm | 4581 | 2023-05-08 14:09:45 |
| ex_512609.htm | 12711 | 2023-05-08 14:09:45 |
| ex_512610.htm | 12727 | 2023-05-08 14:09:45 |
| FilingSummary.xml | 19294 | 2023-05-08 14:09:45 |
| Financial_Report.xlsx | 38925 | 2023-05-08 14:09:45 |
| MetaLinks.json | 387428 | 2023-05-08 14:09:45 |
| R1.htm | 51798 | 2023-05-08 14:09:45 |
| R10.htm | 54515 | 2023-05-08 14:09:45 |
| R11.htm | 8269 | 2023-05-08 14:09:45 |
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| R5.htm | 27178 | 2023-05-08 14:09:45 |
| R6.htm | 58716 | 2023-05-08 14:09:45 |
| R7.htm | 18324 | 2023-05-08 14:09:45 |
| R8.htm | 23890 | 2023-05-08 14:09:45 |
| R9.htm | 17220 | 2023-05-08 14:09:45 |
| report.css | 2767 | 2023-05-08 14:09:45 |
| Show.js | 1085 | 2023-05-08 14:09:45 |