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| 0000950170-22-023267-index.html | 2022-11-08 16:30:21 | |
| 0000950170-22-023267.txt | 2022-11-08 16:30:21 | |
 0000950170-22-023267-xbrl.zip | 272535 | 2022-11-08 16:30:21 |
| ctg-20220930.htm | 3725608 | 2022-11-08 16:30:21 |
| ctg-20220930.xsd | 69046 | 2022-11-08 16:30:21 |
| ctg-20220930_cal.xml | 72470 | 2022-11-08 16:30:21 |
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| ctg-20220930_htm.xml | 3490313 | 2022-11-08 16:30:21 |
| ctg-20220930_lab.xml | 543633 | 2022-11-08 16:30:21 |
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| ctg-ex32.htm | 12992 | 2022-11-08 16:30:21 |
| FilingSummary.xml | 48798 | 2022-11-08 16:30:21 |
| Financial_Report.xlsx | 119048 | 2022-11-08 16:30:21 |
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| report.css | 2767 | 2022-11-08 16:30:21 |
| Show.js | 1085 | 2022-11-08 16:30:21 |