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|---|---|---|
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| 0000950170-23-008194-index.html | 2023-03-15 16:49:26 | |
| 0000950170-23-008194.txt | 2023-03-15 16:49:26 | |
 0000950170-23-008194-xbrl.zip | 537707 | 2023-03-15 16:49:26 |
| ctg-20221231.htm | 7993105 | 2023-03-15 16:49:26 |
| ctg-20221231.xsd | 97879 | 2023-03-15 16:49:26 |
| ctg-20221231_cal.xml | 108825 | 2023-03-15 16:49:26 |
| ctg-20221231_def.xml | 410250 | 2023-03-15 16:49:26 |
| ctg-20221231_htm.xml | 6766394 | 2023-03-15 16:49:26 |
| ctg-20221231_lab.xml | 808296 | 2023-03-15 16:49:26 |
| ctg-20221231_pre.xml | 664930 | 2023-03-15 16:49:26 |
| ctg-ex21.htm | 40874 | 2023-03-15 16:49:26 |
| ctg-ex23.htm | 5667 | 2023-03-15 16:49:26 |
| ctg-ex31_1.htm | 15954 | 2023-03-15 16:49:26 |
| ctg-ex31_2.htm | 15958 | 2023-03-15 16:49:26 |
| ctg-ex32.htm | 10812 | 2023-03-15 16:49:26 |
| ctg-ex3_2.htm | 139434 | 2023-03-15 16:49:26 |
| FilingSummary.xml | 64185 | 2023-03-15 16:49:26 |
| Financial_Report.xlsx | 169245 | 2023-03-15 16:49:26 |
 img137873428_0.jpg | 41870 | 2023-03-15 16:49:26 |
| MetaLinks.json | 1193838 | 2023-03-15 16:49:26 |
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| report.css | 2768 | 2023-03-15 16:49:26 |
| Show.js | 1086 | 2023-03-15 16:49:26 |