Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-009803-index-headers.html | 2020-05-07 15:25:44 | |
| 0001437749-20-009803-index.html | 2020-05-07 15:25:44 | |
| 0001437749-20-009803.txt | 2020-05-07 15:25:44 | |
 0001437749-20-009803-xbrl.zip | 69068 | 2020-05-07 15:25:44 |
| ckx-20200331.xml | 474965 | 2020-05-07 15:25:44 |
| ckx-20200331.xsd | 29554 | 2020-05-07 15:25:44 |
| ckx-20200331_cal.xml | 22716 | 2020-05-07 15:25:44 |
| ckx-20200331_def.xml | 188830 | 2020-05-07 15:25:44 |
| ckx-20200331_lab.xml | 167675 | 2020-05-07 15:25:44 |
| ckx-20200331_pre.xml | 203322 | 2020-05-07 15:25:44 |
| ckx20200331_10q.htm | 452978 | 2020-05-07 15:25:44 |
| ex_183921.htm | 16062 | 2020-05-07 15:25:44 |
| ex_183922.htm | 4683 | 2020-05-07 15:25:44 |
| FilingSummary.xml | 19276 | 2020-05-07 15:25:44 |
| Financial_Report.xlsx | 32639 | 2020-05-07 15:25:44 |
| R1.htm | 32781 | 2020-05-07 15:25:44 |
| R10.htm | 21477 | 2020-05-07 15:25:44 |
| R11.htm | 65495 | 2020-05-07 15:25:44 |
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| R2.htm | 60783 | 2020-05-07 15:25:44 |
| R20.htm | 31293 | 2020-05-07 15:25:44 |
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| R22.htm | 17106 | 2020-05-07 15:25:44 |
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| R26.htm | 52833 | 2020-05-07 15:25:44 |
| R27.htm | 5102 | 2020-05-07 15:25:44 |
| R28.htm | 16762 | 2020-05-07 15:25:44 |
| R29.htm | 13969 | 2020-05-07 15:25:44 |
| R3.htm | 9280 | 2020-05-07 15:25:44 |
| R4.htm | 84497 | 2020-05-07 15:25:44 |
| R5.htm | 17789 | 2020-05-07 15:25:44 |
| R6.htm | 55705 | 2020-05-07 15:25:44 |
| R7.htm | 51693 | 2020-05-07 15:25:44 |
| R8.htm | 6668 | 2020-05-07 15:25:44 |
| R9.htm | 34078 | 2020-05-07 15:25:44 |
| report.css | 2767 | 2020-05-07 15:25:44 |
| Show.js | 1085 | 2020-05-07 15:25:44 |