Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-22-167421-index.html | 2022-06-03 17:02:36 | |
| 0001193125-22-167421.txt | 2022-06-03 17:02:36 | |
 0001193125-22-167421-xbrl.zip | 10843 | 2022-06-03 17:02:36 |
| d300286d8k.htm | 29594 | 2022-06-03 17:02:36 |
| d300286d8k_htm.xml | 3456 | 2022-06-03 17:02:36 |
| d300286dex991.htm | 5495 | 2022-06-03 17:02:36 |
| drtt-20220603.xsd | 2839 | 2022-06-03 17:02:36 |
| drtt-20220603_lab.xml | 17979 | 2022-06-03 17:02:36 |
| drtt-20220603_pre.xml | 11247 | 2022-06-03 17:02:36 |
| FilingSummary.xml | 1725 | 2022-06-03 17:02:36 |
| Financial_Report.xlsx | 5712 | 2022-06-03 17:02:36 |
| MetaLinks.json | 18412 | 2022-06-03 17:02:36 |
| R1.htm | 40500 | 2022-06-03 17:02:36 |
| report.css | 2767 | 2022-06-03 17:02:36 |
| Show.js | 1084 | 2022-06-03 17:02:36 |