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| 0001564590-22-010168.txt | 2022-03-14 19:45:42 | |
 0001564590-22-010168-xbrl.zip | 428448 | 2022-03-14 19:45:42 |
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| ctg-10k_20211231_htm.xml | 5603075 | 2022-03-14 19:45:42 |
| ctg-20211231.xsd | 92476 | 2022-03-14 19:45:42 |
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| ctg-ex32_10.htm | 7840 | 2022-03-14 19:45:42 |
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| Financial_Report.xlsx | 150336 | 2022-03-14 19:45:42 |
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| report.css | 2768 | 2022-03-14 19:45:42 |
| Show.js | 1086 | 2022-03-14 19:45:42 |