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|---|---|---|
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| 0000950170-23-040587-index.html | 2023-08-09 16:11:27 | |
| 0000950170-23-040587.txt | 2023-08-09 16:11:27 | |
 0000950170-23-040587-xbrl.zip | 289018 | 2023-08-09 16:11:27 |
| ctg-20230630.htm | 3919751 | 2023-08-09 16:11:27 |
| ctg-20230630.xsd | 75483 | 2023-08-09 16:11:27 |
| ctg-20230630_cal.xml | 75749 | 2023-08-09 16:11:27 |
| ctg-20230630_def.xml | 273582 | 2023-08-09 16:11:27 |
| ctg-20230630_htm.xml | 3859260 | 2023-08-09 16:11:27 |
| ctg-20230630_lab.xml | 586878 | 2023-08-09 16:11:27 |
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| ctg-ex31_1.htm | 13141 | 2023-08-09 16:11:27 |
| ctg-ex31_2.htm | 13171 | 2023-08-09 16:11:27 |
| ctg-ex32.htm | 12537 | 2023-08-09 16:11:27 |
| FilingSummary.xml | 52006 | 2023-08-09 16:11:27 |
| Financial_Report.xlsx | 120501 | 2023-08-09 16:11:27 |
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| report.css | 2767 | 2023-08-09 16:11:27 |
| Show.js | 1085 | 2023-08-09 16:11:27 |