Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000717588-20-000037-index-headers.html | 2020-02-26 17:21:40 | |
| 0000717588-20-000037-index.html | 2020-02-26 17:21:40 | |
| 0000717588-20-000037.txt | 2020-02-26 17:21:40 | |
 0000717588-20-000037-xbrl.zip | 43651 | 2020-02-26 17:21:40 |
| cncn-20191231.xml | 146507 | 2020-02-26 17:21:40 |
| cncn-20191231.xsd | 11578 | 2020-02-26 17:21:40 |
| cncn-20191231_cal.xml | 34884 | 2020-02-26 17:21:40 |
| cncn-20191231_def.xml | 22124 | 2020-02-26 17:21:40 |
| cncn-20191231_lab.xml | 148587 | 2020-02-26 17:21:40 |
| cncn-20191231_pre.xml | 107843 | 2020-02-26 17:21:40 |
| cncn10k-20191231.htm | 815226 | 2020-02-26 17:21:40 |
| cncn10k-20191231_311.htm | 17261 | 2020-02-26 17:21:40 |
| cncn10k-20191231_312.htm | 16584 | 2020-02-26 17:21:40 |
| cncn10k-20191231_321.htm | 7090 | 2020-02-26 17:21:40 |
| cncn10k-20191231_322.htm | 6849 | 2020-02-26 17:21:40 |
| FilingSummary.xml | 11836 | 2020-02-26 17:21:40 |
| Financial_Report.xlsx | 25268 | 2020-02-26 17:21:40 |
 image2.jpg | 36627 | 2020-02-26 17:21:40 |
| R1.htm | 34488 | 2020-02-26 17:21:40 |
| R10.htm | 5639 | 2020-02-26 17:21:40 |
| R11.htm | 60049 | 2020-02-26 17:21:40 |
| R12.htm | 21119 | 2020-02-26 17:21:40 |
| R13.htm | 16424 | 2020-02-26 17:21:40 |
| R14.htm | 4384 | 2020-02-26 17:21:40 |
| R15.htm | 10623 | 2020-02-26 17:21:40 |
| R16.htm | 10342 | 2020-02-26 17:21:40 |
| R17.htm | 9555 | 2020-02-26 17:21:40 |
| R18.htm | 6134 | 2020-02-26 17:21:40 |
| R19.htm | 8511 | 2020-02-26 17:21:40 |
| R2.htm | 63234 | 2020-02-26 17:21:40 |
| R3.htm | 18962 | 2020-02-26 17:21:40 |
| R4.htm | 41783 | 2020-02-26 17:21:40 |
| R5.htm | 47842 | 2020-02-26 17:21:40 |
| R6.htm | 11862 | 2020-02-26 17:21:40 |
| R7.htm | 10591 | 2020-02-26 17:21:40 |
| R8.htm | 30178 | 2020-02-26 17:21:40 |
| R9.htm | 20281 | 2020-02-26 17:21:40 |
| report.css | 2767 | 2020-02-26 17:21:40 |
| Show.js | 1085 | 2020-02-26 17:21:40 |