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| 0001140361-19-020060-index.html | 2019-11-07 17:47:28 | |
| 0001140361-19-020060.txt | 2019-11-07 17:47:28 | |
 0001140361-19-020060-xbrl.zip | 145054 | 2019-11-07 17:47:28 |
| cthr-20190930.xml | 847764 | 2019-11-07 17:47:28 |
| cthr-20190930.xsd | 44415 | 2019-11-07 17:47:28 |
| cthr-20190930_cal.xml | 56457 | 2019-11-07 17:47:28 |
| cthr-20190930_def.xml | 186743 | 2019-11-07 17:47:28 |
| cthr-20190930_lab.xml | 567702 | 2019-11-07 17:47:28 |
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| ex31_1.htm | 14583 | 2019-11-07 17:47:28 |
| ex31_2.htm | 14605 | 2019-11-07 17:47:28 |
| ex32_1.htm | 3806 | 2019-11-07 17:47:28 |
| ex32_2.htm | 3798 | 2019-11-07 17:47:28 |
| FilingSummary.xml | 28489 | 2019-11-07 17:47:28 |
| Financial_Report.xlsx | 58780 | 2019-11-07 17:47:28 |
| form10q.htm | 762816 | 2019-11-07 17:47:28 |
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| report.css | 2767 | 2019-11-07 17:47:28 |
| Show.js | 1085 | 2019-11-07 17:47:28 |