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| 0000906345-20-000052-index.html | 2020-07-31 12:27:47 | |
| 0000906345-20-000052.txt | 2020-07-31 12:27:47 | |
 0000906345-20-000052-xbrl.zip | 268161 | 2020-07-31 12:27:47 |
| cpt-20200630.xsd | 54143 | 2020-07-31 12:27:47 |
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| cpt-20200630_def.xml | 284615 | 2020-07-31 12:27:47 |
| cpt-20200630_lab.xml | 670894 | 2020-07-31 12:27:47 |
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| cpt6302020-ex311.htm | 12573 | 2020-07-31 12:27:47 |
| cpt6302020-ex312.htm | 12408 | 2020-07-31 12:27:47 |
| cpt630202010q2q20.htm | 1976897 | 2020-07-31 12:27:47 |
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| cpt6302020ex321.htm | 8782 | 2020-07-31 12:27:47 |
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| Financial_Report.xlsx | 83206 | 2020-07-31 12:27:47 |
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| report.css | 2767 | 2020-07-31 12:27:47 |
| Show.js | 1085 | 2020-07-31 12:27:47 |