Parent Directory| Name | Size | Last Modified |
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| 0000945764-23-000097-index.html | 2023-07-13 18:35:35 | |
| 0000945764-23-000097.txt | 2023-07-13 18:35:35 | |
 0000945764-23-000097-xbrl.zip | 102520 | 2023-07-13 18:35:35 |
| den-20230713.htm | 61131 | 2023-07-13 18:35:35 |
| 1263269 | 2023-07-13 18:35:35 | |
| den-20230713.xsd | 1995 | 2023-07-13 18:35:35 |
| den-20230713x8kex21.htm | 706262 | 2023-07-13 18:35:35 |
| den-20230713_htm.xml | 2792 | 2023-07-13 18:35:35 |
| den-20230713_lab.xml | 24139 | 2023-07-13 18:35:35 |
| den-20230713_pre.xml | 12600 | 2023-07-13 18:35:35 |
| FilingSummary.xml | 1955 | 2023-07-13 18:35:35 |
| Financial_Report.xlsx | 5700 | 2023-07-13 18:35:35 |
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| R1.htm | 38100 | 2023-07-13 18:35:35 |
| report.css | 2767 | 2023-07-13 18:35:35 |
| Show.js | 1085 | 2023-07-13 18:35:35 |