Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-011298-index-headers.html | 2021-05-07 14:47:20 | |
| 0001437749-21-011298-index.html | 2021-05-07 14:47:20 | |
| 0001437749-21-011298.txt | 2021-05-07 14:47:20 | |
 0001437749-21-011298-xbrl.zip | 54415 | 2021-05-07 14:47:20 |
| ckx-20210331.xml | 360673 | 2021-05-07 14:47:20 |
| ckx-20210331.xsd | 25875 | 2021-05-07 14:47:20 |
| ckx-20210331_cal.xml | 22350 | 2021-05-07 14:47:20 |
| ckx-20210331_def.xml | 161297 | 2021-05-07 14:47:20 |
| ckx-20210331_lab.xml | 143061 | 2021-05-07 14:47:20 |
| ckx-20210331_pre.xml | 175288 | 2021-05-07 14:47:20 |
| ckx20210331_10q.htm | 366626 | 2021-05-07 14:47:20 |
| ex_245572.htm | 12455 | 2021-05-07 14:47:20 |
| ex_245573.htm | 4435 | 2021-05-07 14:47:20 |
| FilingSummary.xml | 17393 | 2021-05-07 14:47:20 |
| Financial_Report.xlsx | 32571 | 2021-05-07 14:47:20 |
| R1.htm | 32786 | 2021-05-07 14:47:20 |
| R10.htm | 59834 | 2021-05-07 14:47:20 |
| R11.htm | 8169 | 2021-05-07 14:47:20 |
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| R2.htm | 58005 | 2021-05-07 14:47:20 |
| R20.htm | 14524 | 2021-05-07 14:47:20 |
| R21.htm | 8742 | 2021-05-07 14:47:20 |
| R22.htm | 13838 | 2021-05-07 14:47:20 |
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| R24.htm | 53330 | 2021-05-07 14:47:20 |
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| R26.htm | 13973 | 2021-05-07 14:47:20 |
| R3.htm | 9285 | 2021-05-07 14:47:20 |
| R4.htm | 65756 | 2021-05-07 14:47:20 |
| R5.htm | 17795 | 2021-05-07 14:47:20 |
| R6.htm | 55934 | 2021-05-07 14:47:20 |
| R7.htm | 20955 | 2021-05-07 14:47:20 |
| R8.htm | 28722 | 2021-05-07 14:47:20 |
| R9.htm | 19252 | 2021-05-07 14:47:20 |
| report.css | 2767 | 2021-05-07 14:47:20 |
| Show.js | 1085 | 2021-05-07 14:47:20 |