Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-16-056993-index-headers.html | 2016-03-08 16:31:24 | |
| 0001140361-16-056993-index.html | 2016-03-08 16:31:24 | |
| 0001140361-16-056993.txt | 2016-03-08 16:31:24 | |
 0001140361-16-056993-xbrl.zip | 192868 | 2016-03-08 16:31:24 |
| cthr-20151231.xml | 1476494 | 2016-03-08 16:31:24 |
| cthr-20151231.xsd | 52585 | 2016-03-08 16:31:24 |
| cthr-20151231_cal.xml | 73967 | 2016-03-08 16:31:24 |
| cthr-20151231_def.xml | 194186 | 2016-03-08 16:31:24 |
| cthr-20151231_lab.xml | 805798 | 2016-03-08 16:31:24 |
| cthr-20151231_pre.xml | 430569 | 2016-03-08 16:31:24 |
| ex10_42.htm | 14128 | 2016-03-08 16:31:24 |
| ex10_46.htm | 11709 | 2016-03-08 16:31:24 |
| ex10_53.htm | 38707 | 2016-03-08 16:31:24 |
| ex23_1.htm | 2574 | 2016-03-08 16:31:24 |
| ex31_1.htm | 13065 | 2016-03-08 16:31:24 |
| ex31_2.htm | 12628 | 2016-03-08 16:31:24 |
| ex32_1.htm | 7900 | 2016-03-08 16:31:24 |
| ex32_2.htm | 7802 | 2016-03-08 16:31:24 |
| FilingSummary.xml | 26710 | 2016-03-08 16:31:24 |
| Financial_Report.xlsx | 74966 | 2016-03-08 16:31:24 |
| form10k.htm | 1342967 | 2016-03-08 16:31:24 |
| R1.htm | 28236 | 2016-03-08 16:31:24 |
| R10.htm | 10472 | 2016-03-08 16:31:24 |
| R11.htm | 27704 | 2016-03-08 16:31:24 |
| R12.htm | 20504 | 2016-03-08 16:31:24 |
| R13.htm | 21735 | 2016-03-08 16:31:24 |
| R14.htm | 18500 | 2016-03-08 16:31:24 |
| R15.htm | 12248 | 2016-03-08 16:31:24 |
| R16.htm | 79927 | 2016-03-08 16:31:24 |
| R17.htm | 78392 | 2016-03-08 16:31:24 |
| R18.htm | 20855 | 2016-03-08 16:31:24 |
| R19.htm | 6606 | 2016-03-08 16:31:24 |
| R2.htm | 66990 | 2016-03-08 16:31:24 |
| R20.htm | 8400 | 2016-03-08 16:31:24 |
| R21.htm | 139265 | 2016-03-08 16:31:24 |
| R22.htm | 48767 | 2016-03-08 16:31:24 |
| R23.htm | 184259 | 2016-03-08 16:31:24 |
| R24.htm | 21595 | 2016-03-08 16:31:24 |
| R25.htm | 19176 | 2016-03-08 16:31:24 |
| R26.htm | 20768 | 2016-03-08 16:31:24 |
| R27.htm | 10915 | 2016-03-08 16:31:24 |
| R28.htm | 78905 | 2016-03-08 16:31:24 |
| R29.htm | 78829 | 2016-03-08 16:31:24 |
| R3.htm | 11702 | 2016-03-08 16:31:24 |
| R30.htm | 18900 | 2016-03-08 16:31:24 |
| R31.htm | 7515 | 2016-03-08 16:31:24 |
| R32.htm | 105212 | 2016-03-08 16:31:24 |
| R33.htm | 95170 | 2016-03-08 16:31:24 |
| R34.htm | 20865 | 2016-03-08 16:31:24 |
| R35.htm | 40166 | 2016-03-08 16:31:24 |
| R36.htm | 22695 | 2016-03-08 16:31:24 |
| R37.htm | 26116 | 2016-03-08 16:31:24 |
| R38.htm | 59385 | 2016-03-08 16:31:24 |
| R39.htm | 45410 | 2016-03-08 16:31:24 |
| R4.htm | 52508 | 2016-03-08 16:31:24 |
| R40.htm | 181884 | 2016-03-08 16:31:24 |
| R41.htm | 131642 | 2016-03-08 16:31:24 |
| R42.htm | 19473 | 2016-03-08 16:31:24 |
| R43.htm | 4470 | 2016-03-08 16:31:24 |
| R44.htm | 9348 | 2016-03-08 16:31:24 |
| R5.htm | 32374 | 2016-03-08 16:31:24 |
| R6.htm | 75918 | 2016-03-08 16:31:24 |
| R7.htm | 9639 | 2016-03-08 16:31:24 |
| R8.htm | 87746 | 2016-03-08 16:31:24 |
| R9.htm | 185633 | 2016-03-08 16:31:24 |
| report.css | 2767 | 2016-03-08 16:31:24 |
| Show.js | 1410 | 2016-03-08 16:31:24 |