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| 0001564590-22-028431-index.html | 2022-08-08 15:57:28 | |
| 0001564590-22-028431.txt | 2022-08-08 15:57:28 | |
 0001564590-22-028431-xbrl.zip | 212235 | 2022-08-08 15:57:28 |
| ctg-10q_20220701.htm | 3349361 | 2022-08-08 15:57:28 |
| ctg-10q_20220701_htm.xml | 2894444 | 2022-08-08 15:57:28 |
| ctg-20220701.xsd | 67731 | 2022-08-08 15:57:28 |
| ctg-20220701_cal.xml | 61431 | 2022-08-08 15:57:28 |
| ctg-20220701_def.xml | 201024 | 2022-08-08 15:57:28 |
| ctg-20220701_lab.xml | 487335 | 2022-08-08 15:57:28 |
| ctg-20220701_pre.xml | 377971 | 2022-08-08 15:57:28 |
| ctg-ex311_6.htm | 15469 | 2022-08-08 15:57:28 |
| ctg-ex312_7.htm | 15667 | 2022-08-08 15:57:28 |
| ctg-ex32_8.htm | 9223 | 2022-08-08 15:57:28 |
| FilingSummary.xml | 46162 | 2022-08-08 15:57:28 |
| Financial_Report.xlsx | 109762 | 2022-08-08 15:57:28 |
| MetaLinks.json | 706274 | 2022-08-08 15:57:28 |
| R1.htm | 53753 | 2022-08-08 15:57:28 |
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| report.css | 2767 | 2022-08-08 15:57:28 |
| Show.js | 1085 | 2022-08-08 15:57:28 |