Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000945764-21-000066-index-headers.html | 2021-05-06 08:51:00 | |
| 0000945764-21-000066-index.html | 2021-05-06 08:51:00 | |
| 0000945764-21-000066.txt | 2021-05-06 08:51:00 | |
 0000945764-21-000066-xbrl.zip | 213742 | 2021-05-06 08:51:00 |
| den-20210331.htm | 1404908 | 2021-05-06 08:51:00 |
| 475174 | 2021-05-06 08:51:00 | |
| den-20210331.xsd | 27321 | 2021-05-06 08:51:00 |
| den-20210331xex31a.htm | 10863 | 2021-05-06 08:51:00 |
| den-20210331xex31b.htm | 10883 | 2021-05-06 08:51:00 |
| den-20210331xex32.htm | 7831 | 2021-05-06 08:51:00 |
| den-20210331_cal.xml | 75558 | 2021-05-06 08:51:00 |
| den-20210331_def.xml | 108969 | 2021-05-06 08:51:00 |
 den-20210331_g1.jpg | 45689 | 2021-05-06 08:51:00 |
| den-20210331_htm.xml | 791565 | 2021-05-06 08:51:00 |
| den-20210331_lab.xml | 402688 | 2021-05-06 08:51:00 |
| den-20210331_pre.xml | 239544 | 2021-05-06 08:51:00 |
| FilingSummary.xml | 22838 | 2021-05-06 08:51:00 |
| Financial_Report.xlsx | 59859 | 2021-05-06 08:51:00 |
| MetaLinks.json | 427752 | 2021-05-06 08:51:00 |
| R1.htm | 54419 | 2021-05-06 08:51:00 |
| R10.htm | 22227 | 2021-05-06 08:51:00 |
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| R27.htm | 10847 | 2021-05-06 08:51:00 |
| R28.htm | 18463 | 2021-05-06 08:51:00 |
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| R30.htm | 15913 | 2021-05-06 08:51:00 |
| R31.htm | 13869 | 2021-05-06 08:51:00 |
| R32.htm | 27942 | 2021-05-06 08:51:00 |
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| R9.htm | 14701 | 2021-05-06 08:51:00 |
| report.css | 2767 | 2021-05-06 08:51:00 |
| Show.js | 1085 | 2021-05-06 08:51:00 |