Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-323065-index-headers.html | 2020-12-21 16:01:01 | |
| 0001193125-20-323065-index.html | 2020-12-21 16:01:01 | |
| 0001193125-20-323065.txt | 2020-12-21 16:01:01 | |
 0001193125-20-323065-xbrl.zip | 13352 | 2020-12-21 16:01:01 |
| ctg-20201220.xsd | 3052 | 2020-12-21 16:01:01 |
| ctg-20201220_lab.xml | 17374 | 2020-12-21 16:01:01 |
| ctg-20201220_pre.xml | 10942 | 2020-12-21 16:01:01 |
| d13747d8k.htm | 29955 | 2020-12-21 16:01:01 |
| d13747d8k_htm.xml | 3265 | 2020-12-21 16:01:01 |
| d13747dex991.htm | 10061 | 2020-12-21 16:01:01 |
| FilingSummary.xml | 1715 | 2020-12-21 16:01:01 |
| Financial_Report.xlsx | 5447 | 2020-12-21 16:01:01 |
 g13747dsp8.jpg | 2777 | 2020-12-21 16:01:01 |
| MetaLinks.json | 18144 | 2020-12-21 16:01:01 |
| R1.htm | 38609 | 2020-12-21 16:01:01 |
| report.css | 2767 | 2020-12-21 16:01:01 |
| Show.js | 1085 | 2020-12-21 16:01:01 |