Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-005195-index-headers.html | 2020-03-13 17:32:24 | |
| 0001437749-20-005195-index.html | 2020-03-13 17:32:24 | |
| 0001437749-20-005195.txt | 2020-03-13 17:32:24 | |
 0001437749-20-005195-xbrl.zip | 97847 | 2020-03-13 17:32:24 |
| ckx-20191231.xml | 782744 | 2020-03-13 17:32:24 |
| ckx-20191231.xsd | 46872 | 2020-03-13 17:32:24 |
| ckx-20191231_cal.xml | 32629 | 2020-03-13 17:32:24 |
| ckx-20191231_def.xml | 279343 | 2020-03-13 17:32:24 |
| ckx-20191231_lab.xml | 239621 | 2020-03-13 17:32:24 |
| ckx-20191231_pre.xml | 301367 | 2020-03-13 17:32:24 |
| ckx20191231_10k.htm | 742979 | 2020-03-13 17:32:24 |
| ex_175216.htm | 35555 | 2020-03-13 17:32:24 |
| ex_175776.htm | 13331 | 2020-03-13 17:32:24 |
| ex_175777.htm | 5756 | 2020-03-13 17:32:24 |
| FilingSummary.xml | 30895 | 2020-03-13 17:32:24 |
| Financial_Report.xlsx | 46760 | 2020-03-13 17:32:24 |
| R1.htm | 38971 | 2020-03-13 17:32:24 |
| R10.htm | 18830 | 2020-03-13 17:32:24 |
| R11.htm | 46936 | 2020-03-13 17:32:24 |
| R12.htm | 5735 | 2020-03-13 17:32:24 |
| R13.htm | 27181 | 2020-03-13 17:32:24 |
| R14.htm | 62118 | 2020-03-13 17:32:24 |
| R15.htm | 16537 | 2020-03-13 17:32:24 |
| R16.htm | 37171 | 2020-03-13 17:32:24 |
| R17.htm | 8893 | 2020-03-13 17:32:24 |
| R18.htm | 6884 | 2020-03-13 17:32:24 |
| R19.htm | 97641 | 2020-03-13 17:32:24 |
| R2.htm | 53364 | 2020-03-13 17:32:24 |
| R20.htm | 8597 | 2020-03-13 17:32:24 |
| R21.htm | 28367 | 2020-03-13 17:32:24 |
| R22.htm | 17254 | 2020-03-13 17:32:24 |
| R23.htm | 41341 | 2020-03-13 17:32:24 |
| R24.htm | 25747 | 2020-03-13 17:32:24 |
| R25.htm | 59466 | 2020-03-13 17:32:24 |
| R26.htm | 15647 | 2020-03-13 17:32:24 |
| R27.htm | 36294 | 2020-03-13 17:32:24 |
| R28.htm | 34517 | 2020-03-13 17:32:24 |
| R29.htm | 8350 | 2020-03-13 17:32:24 |
| R3.htm | 9245 | 2020-03-13 17:32:24 |
| R30.htm | 10821 | 2020-03-13 17:32:24 |
| R31.htm | 19669 | 2020-03-13 17:32:24 |
| R32.htm | 3373 | 2020-03-13 17:32:24 |
| R33.htm | 14032 | 2020-03-13 17:32:24 |
| R34.htm | 5776 | 2020-03-13 17:32:24 |
| R35.htm | 25992 | 2020-03-13 17:32:24 |
| R36.htm | 6970 | 2020-03-13 17:32:24 |
| R37.htm | 16244 | 2020-03-13 17:32:24 |
| R38.htm | 6082 | 2020-03-13 17:32:24 |
| R39.htm | 7909 | 2020-03-13 17:32:24 |
| R4.htm | 64290 | 2020-03-13 17:32:24 |
| R40.htm | 41314 | 2020-03-13 17:32:24 |
| R41.htm | 11349 | 2020-03-13 17:32:24 |
| R42.htm | 3641 | 2020-03-13 17:32:24 |
| R43.htm | 8251 | 2020-03-13 17:32:24 |
| R44.htm | 14899 | 2020-03-13 17:32:24 |
| R45.htm | 6458 | 2020-03-13 17:32:24 |
| R46.htm | 22855 | 2020-03-13 17:32:24 |
| R47.htm | 14409 | 2020-03-13 17:32:24 |
| R5.htm | 13710 | 2020-03-13 17:32:24 |
| R6.htm | 57058 | 2020-03-13 17:32:24 |
| R7.htm | 56378 | 2020-03-13 17:32:24 |
| R8.htm | 7170 | 2020-03-13 17:32:24 |
| R9.htm | 38218 | 2020-03-13 17:32:24 |
| report.css | 2767 | 2020-03-13 17:32:24 |
| Show.js | 1085 | 2020-03-13 17:32:24 |