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| 0000909832-18-000013-index.html | 2018-10-26 09:21:46 | |
| 0000909832-18-000013.txt | 2018-10-26 09:21:46 | |
 0000909832-18-000013-xbrl.zip | 239216 | 2018-10-26 09:21:46 |
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| costex32110k9218.htm | 12514 | 2018-10-26 09:21:46 |
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| Financial_Report.xlsx | 94807 | 2018-10-26 09:21:46 |
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| report.css | 2767 | 2018-10-26 09:21:46 |
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