Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000945764-21-000064-index-headers.html | 2021-05-06 06:41:21 | |
| 0000945764-21-000064-index.html | 2021-05-06 06:41:21 | |
| 0000945764-21-000064.txt | 2021-05-06 06:41:21 | |
 0000945764-21-000064-xbrl.zip | 33934 | 2021-05-06 06:41:21 |
| den-20210506.htm | 42432 | 2021-05-06 06:41:21 |
| 265115 | 2021-05-06 06:41:21 | |
| den-20210506.xsd | 2512 | 2021-05-06 06:41:21 |
| den-20210506x8kex991.htm | 382754 | 2021-05-06 06:41:21 |
| den-20210506_cal.xml | 800 | 2021-05-06 06:41:21 |
| den-20210506_def.xml | 1764 | 2021-05-06 06:41:21 |
| den-20210506_htm.xml | 11591 | 2021-05-06 06:41:21 |
| den-20210506_lab.xml | 24275 | 2021-05-06 06:41:21 |
| den-20210506_pre.xml | 12736 | 2021-05-06 06:41:21 |
| FilingSummary.xml | 1811 | 2021-05-06 06:41:21 |
| Financial_Report.xlsx | 5677 | 2021-05-06 06:41:21 |
 headerlogo1.jpg | 84556 | 2021-05-06 06:41:21 |
| MetaLinks.json | 18004 | 2021-05-06 06:41:21 |
| R1.htm | 38624 | 2021-05-06 06:41:21 |
| report.css | 2767 | 2021-05-06 06:41:21 |
| Show.js | 1085 | 2021-05-06 06:41:21 |