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| 0000826675-12-000027-index.html | 2012-05-10 15:34:23 | |
| 0000826675-12-000027.txt | 2012-05-10 15:34:23 | |
 0000826675-12-000027-xbrl.zip | 92167 | 2012-05-10 15:34:23 |
| dx-20120331.xml | 878382 | 2012-05-10 15:34:23 |
| dx-20120331.xsd | 18697 | 2012-05-10 15:34:23 |
| dx-20120331_cal.xml | 45508 | 2012-05-10 15:34:23 |
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| dx-20120331_lab.xml | 201416 | 2012-05-10 15:34:23 |
| dx-20120331_pre.xml | 102883 | 2012-05-10 15:34:23 |
| dx2012q110q.htm | 1606795 | 2012-05-10 15:34:23 |
| dx2012q110qex-311.htm | 13578 | 2012-05-10 15:34:23 |
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| dx2012q110qex-321.htm | 10322 | 2012-05-10 15:34:23 |
| FilingSummary.xml | 9718 | 2012-05-10 15:34:23 |
| Financial_Report.xls | 781148 | 2012-05-10 15:34:23 |
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| R2.htm | 104333 | 2012-05-10 15:34:23 |
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