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| 0000950170-22-023935-index.html | 2022-11-09 16:35:46 | |
| 0000950170-22-023935.txt | 2022-11-09 16:35:46 | |
 0000950170-22-023935-xbrl.zip | 455281 | 2022-11-09 16:35:46 |
| ctkb-20220930.htm | 5027506 | 2022-11-09 16:35:46 |
| ctkb-20220930.xsd | 88349 | 2022-11-09 16:35:46 |
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| ctkb-20220930_htm.xml | 3454399 | 2022-11-09 16:35:46 |
| ctkb-20220930_lab.xml | 687131 | 2022-11-09 16:35:46 |
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| FilingSummary.xml | 61981 | 2022-11-09 16:35:46 |
| Financial_Report.xlsx | 145303 | 2022-11-09 16:35:46 |
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| report.css | 2768 | 2022-11-09 16:35:46 |
| Show.js | 1086 | 2022-11-09 16:35:46 |