Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-17-020185-index-headers.html | 2017-10-26 16:20:18 | |
| 0001564590-17-020185-index.html | 2017-10-26 16:20:18 | |
| 0001564590-17-020185.txt | 2017-10-26 16:20:18 | |
 0001564590-17-020185-xbrl.zip | 104811 | 2017-10-26 16:20:18 |
| ctg-10q_20170929.htm | 1321130 | 2017-10-26 16:20:18 |
| ctg-20170929.xml | 1033141 | 2017-10-26 16:20:18 |
| ctg-20170929.xsd | 47124 | 2017-10-26 16:20:18 |
| ctg-20170929_cal.xml | 48743 | 2017-10-26 16:20:18 |
| ctg-20170929_def.xml | 131096 | 2017-10-26 16:20:18 |
| ctg-20170929_lab.xml | 324675 | 2017-10-26 16:20:18 |
| ctg-20170929_pre.xml | 259801 | 2017-10-26 16:20:18 |
| ctg-ex101_416.htm | 152562 | 2017-10-26 16:20:18 |
| ctg-ex31a_8.htm | 15466 | 2017-10-26 16:20:18 |
| ctg-ex31b_6.htm | 15671 | 2017-10-26 16:20:18 |
| ctg-ex31_415.htm | 119876 | 2017-10-26 16:20:18 |
| ctg-ex32_7.htm | 9229 | 2017-10-26 16:20:18 |
| FilingSummary.xml | 33802 | 2017-10-26 16:20:18 |
| Financial_Report.xlsx | 63187 | 2017-10-26 16:20:18 |
| R1.htm | 21941 | 2017-10-26 16:20:18 |
| R10.htm | 11270 | 2017-10-26 16:20:18 |
| R11.htm | 62919 | 2017-10-26 16:20:18 |
| R12.htm | 6954 | 2017-10-26 16:20:18 |
| R13.htm | 8177 | 2017-10-26 16:20:18 |
| R14.htm | 48986 | 2017-10-26 16:20:18 |
| R15.htm | 8401 | 2017-10-26 16:20:18 |
| R16.htm | 104700 | 2017-10-26 16:20:18 |
| R17.htm | 10173 | 2017-10-26 16:20:18 |
| R18.htm | 7302 | 2017-10-26 16:20:18 |
| R19.htm | 7407 | 2017-10-26 16:20:18 |
| R2.htm | 42710 | 2017-10-26 16:20:18 |
| R20.htm | 138418 | 2017-10-26 16:20:18 |
| R21.htm | 106409 | 2017-10-26 16:20:18 |
| R22.htm | 61649 | 2017-10-26 16:20:18 |
| R23.htm | 49844 | 2017-10-26 16:20:18 |
| R24.htm | 103722 | 2017-10-26 16:20:18 |
| R25.htm | 4457 | 2017-10-26 16:20:18 |
| R26.htm | 6235 | 2017-10-26 16:20:18 |
| R27.htm | 12570 | 2017-10-26 16:20:18 |
| R28.htm | 21282 | 2017-10-26 16:20:18 |
| R29.htm | 5764 | 2017-10-26 16:20:18 |
| R3.htm | 17053 | 2017-10-26 16:20:18 |
| R30.htm | 16326 | 2017-10-26 16:20:18 |
| R31.htm | 10486 | 2017-10-26 16:20:18 |
| R32.htm | 21908 | 2017-10-26 16:20:18 |
| R33.htm | 4462 | 2017-10-26 16:20:18 |
| R34.htm | 21081 | 2017-10-26 16:20:18 |
| R35.htm | 11704 | 2017-10-26 16:20:18 |
| R36.htm | 20067 | 2017-10-26 16:20:18 |
| R37.htm | 6884 | 2017-10-26 16:20:18 |
| R38.htm | 4866 | 2017-10-26 16:20:18 |
| R39.htm | 41140 | 2017-10-26 16:20:18 |
| R4.htm | 5626 | 2017-10-26 16:20:18 |
| R40.htm | 12033 | 2017-10-26 16:20:18 |
| R41.htm | 4989 | 2017-10-26 16:20:18 |
| R42.htm | 10669 | 2017-10-26 16:20:18 |
| R43.htm | 22541 | 2017-10-26 16:20:18 |
| R44.htm | 11491 | 2017-10-26 16:20:18 |
| R45.htm | 36074 | 2017-10-26 16:20:18 |
| R46.htm | 18301 | 2017-10-26 16:20:18 |
| R47.htm | 12320 | 2017-10-26 16:20:18 |
| R48.htm | 14478 | 2017-10-26 16:20:18 |
| R49.htm | 83353 | 2017-10-26 16:20:18 |
| R5.htm | 72277 | 2017-10-26 16:20:18 |
| R50.htm | 21804 | 2017-10-26 16:20:18 |
| R51.htm | 27762 | 2017-10-26 16:20:18 |
| R6.htm | 13176 | 2017-10-26 16:20:18 |
| R7.htm | 83204 | 2017-10-26 16:20:18 |
| R8.htm | 6666 | 2017-10-26 16:20:18 |
| R9.htm | 121911 | 2017-10-26 16:20:18 |
| report.css | 2767 | 2017-10-26 16:20:18 |
| Show.js | 1410 | 2017-10-26 16:20:18 |