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 0000945764-21-000080-index-headers.html | 2021-08-05 09:07:21 | |
| 0000945764-21-000080-index.html | 2021-08-05 09:07:21 | |
| 0000945764-21-000080.txt | 2021-08-05 09:07:21 | |
 0000945764-21-000080-xbrl.zip | 240812 | 2021-08-05 09:07:21 |
| den-20210630.htm | 1739935 | 2021-08-05 09:07:21 |
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| den-20210630.xsd | 30833 | 2021-08-05 09:07:21 |
| den-20210630xex31a.htm | 10866 | 2021-08-05 09:07:21 |
| den-20210630xex31b.htm | 10886 | 2021-08-05 09:07:21 |
| den-20210630xex32.htm | 7836 | 2021-08-05 09:07:21 |
| den-20210630_cal.xml | 74166 | 2021-08-05 09:07:21 |
| den-20210630_def.xml | 112874 | 2021-08-05 09:07:21 |
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| den-20210630_htm.xml | 996573 | 2021-08-05 09:07:21 |
| den-20210630_lab.xml | 445019 | 2021-08-05 09:07:21 |
| den-20210630_pre.xml | 264942 | 2021-08-05 09:07:21 |
| FilingSummary.xml | 25649 | 2021-08-05 09:07:21 |
| Financial_Report.xlsx | 66666 | 2021-08-05 09:07:21 |
| MetaLinks.json | 467676 | 2021-08-05 09:07:21 |
| R1.htm | 54419 | 2021-08-05 09:07:21 |
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| R8.htm | 73109 | 2021-08-05 09:07:21 |
| R9.htm | 16734 | 2021-08-05 09:07:21 |
| report.css | 2767 | 2021-08-05 09:07:21 |
| Show.js | 1085 | 2021-08-05 09:07:21 |