Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001157523-13-001064-index-headers.html | 2013-02-27 08:45:52 | |
| 0001157523-13-001064-index.html | 2013-02-27 08:45:52 | |
| 0001157523-13-001064.txt | 2013-02-27 08:45:52 | |
 0001157523-13-001064-xbrl.zip | 256255 | 2013-02-27 08:45:52 |
| a50571587.htm | 829772 | 2013-02-27 08:45:52 |
| a50571587ex31_1.htm | 14081 | 2013-02-27 08:45:52 |
| a50571587ex31_2.htm | 14433 | 2013-02-27 08:45:52 |
| a50571587ex31_3.htm | 15071 | 2013-02-27 08:45:52 |
| a50571587ex32_1.htm | 6377 | 2013-02-27 08:45:52 |
| a50571587ex32_2.htm | 6593 | 2013-02-27 08:45:52 |
| a50571587ex32_3.htm | 6876 | 2013-02-27 08:45:52 |
| a50571587ex_12.htm | 117005 | 2013-02-27 08:45:52 |
| a50571587ex_13.htm | 3399721 | 2013-02-27 08:45:52 |
| a50571587ex_21.htm | 14567 | 2013-02-27 08:45:52 |
| a50571587ex_23.htm | 3366 | 2013-02-27 08:45:52 |
| a50571587ex_24.htm | 34445 | 2013-02-27 08:45:52 |
| che-20121231.xml | 4309809 | 2013-02-27 08:45:52 |
| che-20121231.xsd | 92778 | 2013-02-27 08:45:52 |
| che-20121231_cal.xml | 77065 | 2013-02-27 08:45:52 |
| che-20121231_def.xml | 207875 | 2013-02-27 08:45:52 |
| che-20121231_lab.xml | 600700 | 2013-02-27 08:45:52 |
| che-20121231_pre.xml | 505439 | 2013-02-27 08:45:52 |
| FilingSummary.xml | 53826 | 2013-02-27 08:45:52 |
| Financial_Report.xls | 3972446 | 2013-02-27 08:45:52 |
 graph.jpg | 50887 | 2013-02-27 08:45:52 |
| R1.htm | 37255 | 2013-02-27 08:45:52 |
| R10.htm | 79036 | 2013-02-27 08:45:52 |
| R100.htm | 70012 | 2013-02-27 08:45:52 |
| R101.htm | 83483 | 2013-02-27 08:45:52 |
| R102.htm | 22290 | 2013-02-27 08:45:52 |
| R11.htm | 150334 | 2013-02-27 08:45:52 |
| R12.htm | 210406 | 2013-02-27 08:45:52 |
| R13.htm | 91638 | 2013-02-27 08:45:52 |
| R14.htm | 41830 | 2013-02-27 08:45:52 |
| R15.htm | 19341 | 2013-02-27 08:45:52 |
| R16.htm | 7699 | 2013-02-27 08:45:52 |
| R17.htm | 33510 | 2013-02-27 08:45:52 |
| R18.htm | 152897 | 2013-02-27 08:45:52 |
| R19.htm | 35621 | 2013-02-27 08:45:52 |
| R2.htm | 76639 | 2013-02-27 08:45:52 |
| R20.htm | 41113 | 2013-02-27 08:45:52 |
| R21.htm | 25296 | 2013-02-27 08:45:52 |
| R22.htm | 127511 | 2013-02-27 08:45:52 |
| R23.htm | 45849 | 2013-02-27 08:45:52 |
| R24.htm | 22243 | 2013-02-27 08:45:52 |
| R25.htm | 32077 | 2013-02-27 08:45:52 |
| R26.htm | 10449 | 2013-02-27 08:45:52 |
| R27.htm | 30089 | 2013-02-27 08:45:52 |
| R28.htm | 8836 | 2013-02-27 08:45:52 |
| R29.htm | 6666 | 2013-02-27 08:45:52 |
| R3.htm | 130011 | 2013-02-27 08:45:52 |
| R30.htm | 597504 | 2013-02-27 08:45:52 |
| R31.htm | 141137 | 2013-02-27 08:45:52 |
| R32.htm | 167766 | 2013-02-27 08:45:52 |
| R33.htm | 22752 | 2013-02-27 08:45:52 |
| R34.htm | 80541 | 2013-02-27 08:45:52 |
| R35.htm | 67554 | 2013-02-27 08:45:52 |
| R36.htm | 140100 | 2013-02-27 08:45:52 |
| R37.htm | 199089 | 2013-02-27 08:45:52 |
| R38.htm | 87910 | 2013-02-27 08:45:52 |
| R39.htm | 29422 | 2013-02-27 08:45:52 |
| R4.htm | 21390 | 2013-02-27 08:45:52 |
| R40.htm | 12365 | 2013-02-27 08:45:52 |
| R41.htm | 31495 | 2013-02-27 08:45:52 |
| R42.htm | 150238 | 2013-02-27 08:45:52 |
| R43.htm | 30833 | 2013-02-27 08:45:52 |
| R44.htm | 38430 | 2013-02-27 08:45:52 |
| R45.htm | 14805 | 2013-02-27 08:45:52 |
| R46.htm | 123698 | 2013-02-27 08:45:52 |
| R47.htm | 46236 | 2013-02-27 08:45:52 |
| R48.htm | 18409 | 2013-02-27 08:45:52 |
| R49.htm | 18372 | 2013-02-27 08:45:52 |
| R5.htm | 134003 | 2013-02-27 08:45:52 |
| R50.htm | 597920 | 2013-02-27 08:45:52 |
| R51.htm | 37918 | 2013-02-27 08:45:52 |
| R52.htm | 9315 | 2013-02-27 08:45:52 |
| R53.htm | 8901 | 2013-02-27 08:45:52 |
| R54.htm | 4974 | 2013-02-27 08:45:52 |
| R55.htm | 27937 | 2013-02-27 08:45:52 |
| R56.htm | 14361 | 2013-02-27 08:45:52 |
| R57.htm | 76743 | 2013-02-27 08:45:52 |
| R58.htm | 18832 | 2013-02-27 08:45:52 |
| R59.htm | 16949 | 2013-02-27 08:45:52 |
| R6.htm | 37175 | 2013-02-27 08:45:52 |
| R60.htm | 6600 | 2013-02-27 08:45:52 |
| R61.htm | 9576 | 2013-02-27 08:45:52 |
| R62.htm | 54205 | 2013-02-27 08:45:52 |
| R63.htm | 86641 | 2013-02-27 08:45:52 |
| R64.htm | 28378 | 2013-02-27 08:45:52 |
| R65.htm | 20907 | 2013-02-27 08:45:52 |
| R66.htm | 14459 | 2013-02-27 08:45:52 |
| R67.htm | 70850 | 2013-02-27 08:45:52 |
| R68.htm | 23686 | 2013-02-27 08:45:52 |
| R69.htm | 25470 | 2013-02-27 08:45:52 |
| R7.htm | 5851 | 2013-02-27 08:45:52 |
| R70.htm | 13749 | 2013-02-27 08:45:52 |
| R71.htm | 18516 | 2013-02-27 08:45:52 |
| R72.htm | 16694 | 2013-02-27 08:45:52 |
| R73.htm | 11692 | 2013-02-27 08:45:52 |
| R74.htm | 11785 | 2013-02-27 08:45:52 |
| R75.htm | 19229 | 2013-02-27 08:45:52 |
| R76.htm | 32395 | 2013-02-27 08:45:52 |
| R77.htm | 28774 | 2013-02-27 08:45:52 |
| R78.htm | 53773 | 2013-02-27 08:45:52 |
| R79.htm | 13949 | 2013-02-27 08:45:52 |
| R8.htm | 62893 | 2013-02-27 08:45:52 |
| R80.htm | 28938 | 2013-02-27 08:45:52 |
| R81.htm | 6934 | 2013-02-27 08:45:52 |
| R82.htm | 11014 | 2013-02-27 08:45:52 |
| R83.htm | 35776 | 2013-02-27 08:45:52 |
| R84.htm | 5208 | 2013-02-27 08:45:52 |
| R85.htm | 31130 | 2013-02-27 08:45:52 |
| R86.htm | 12996 | 2013-02-27 08:45:52 |
| R87.htm | 14157 | 2013-02-27 08:45:52 |
| R88.htm | 47048 | 2013-02-27 08:45:52 |
| R89.htm | 44290 | 2013-02-27 08:45:52 |
| R9.htm | 86707 | 2013-02-27 08:45:52 |
| R90.htm | 18130 | 2013-02-27 08:45:52 |
| R91.htm | 17988 | 2013-02-27 08:45:52 |
| R92.htm | 7638 | 2013-02-27 08:45:52 |
| R93.htm | 10914 | 2013-02-27 08:45:52 |
| R94.htm | 11212 | 2013-02-27 08:45:52 |
| R95.htm | 15428 | 2013-02-27 08:45:52 |
| R96.htm | 7330 | 2013-02-27 08:45:52 |
| R97.htm | 16074 | 2013-02-27 08:45:52 |
| R98.htm | 7146 | 2013-02-27 08:45:52 |
| R99.htm | 137115 | 2013-02-27 08:45:52 |
| report.css | 2721 | 2013-02-27 08:45:52 |
| Show.js | 6423 | 2013-02-27 08:45:52 |