Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000945764-21-000033-index-headers.html | 2021-03-16 16:58:21 | |
| 0000945764-21-000033-index.html | 2021-03-16 16:58:21 | |
| 0000945764-21-000033.txt | 2021-03-16 16:58:21 | |
 0000945764-21-000033-xbrl.zip | 15778 | 2021-03-16 16:58:21 |
| den-20210316.htm | 43647 | 2021-03-16 16:58:21 |
| 206345 | 2021-03-16 16:58:21 | |
| den-20210316.xsd | 2512 | 2021-03-16 16:58:21 |
| den-20210316x8kex991.htm | 10315 | 2021-03-16 16:58:21 |
| den-20210316_cal.xml | 800 | 2021-03-16 16:58:21 |
| den-20210316_def.xml | 1764 | 2021-03-16 16:58:21 |
| den-20210316_htm.xml | 11104 | 2021-03-16 16:58:21 |
| den-20210316_lab.xml | 24275 | 2021-03-16 16:58:21 |
| den-20210316_pre.xml | 12736 | 2021-03-16 16:58:21 |
| FilingSummary.xml | 1811 | 2021-03-16 16:58:21 |
| Financial_Report.xlsx | 5456 | 2021-03-16 16:58:21 |
 image21.jpg | 84556 | 2021-03-16 16:58:21 |
| MetaLinks.json | 18004 | 2021-03-16 16:58:21 |
| R1.htm | 38625 | 2021-03-16 16:58:21 |
| report.css | 2767 | 2021-03-16 16:58:21 |
| Show.js | 1085 | 2021-03-16 16:58:21 |