Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-228125-index-headers.html | 2021-07-29 07:02:02 | |
| 0001193125-21-228125-index.html | 2021-07-29 07:02:02 | |
| 0001193125-21-228125.txt | 2021-07-29 07:02:02 | |
 0001193125-21-228125-xbrl.zip | 22906 | 2021-07-29 07:02:02 |
| ctg-20210729.xsd | 2873 | 2021-07-29 07:02:02 |
| ctg-20210729_lab.xml | 18138 | 2021-07-29 07:02:02 |
| ctg-20210729_pre.xml | 11396 | 2021-07-29 07:02:02 |
| d354065d8k.htm | 24476 | 2021-07-29 07:02:02 |
| d354065d8k_htm.xml | 3450 | 2021-07-29 07:02:02 |
| d354065dex991.htm | 239373 | 2021-07-29 07:02:02 |
| FilingSummary.xml | 1719 | 2021-07-29 07:02:02 |
| Financial_Report.xlsx | 5708 | 2021-07-29 07:02:02 |
 g354065g33d45.jpg | 4498 | 2021-07-29 07:02:02 |
| MetaLinks.json | 18648 | 2021-07-29 07:02:02 |
| R1.htm | 40158 | 2021-07-29 07:02:02 |
| report.css | 2767 | 2021-07-29 07:02:02 |
| Show.js | 1085 | 2021-07-29 07:02:02 |