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|---|---|---|
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| 0000950123-22-012408-index.html | 2022-11-14 17:06:25 | |
| 0000950123-22-012408.txt | 2022-11-14 17:06:25 | |
 0000950123-22-012408-xbrl.zip | 351212 | 2022-11-14 17:06:25 |
| drtt-20220930.htm | 3851112 | 2022-11-14 17:06:25 |
| drtt-20220930.xsd | 56598 | 2022-11-14 17:06:25 |
| drtt-20220930_cal.xml | 49206 | 2022-11-14 17:06:25 |
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| drtt-20220930_htm.xml | 2663330 | 2022-11-14 17:06:25 |
| drtt-20220930_lab.xml | 433049 | 2022-11-14 17:06:25 |
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| drtt-ex10_3.htm | 197179 | 2022-11-14 17:06:25 |
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| drtt-ex10_6.htm | 232231 | 2022-11-14 17:06:25 |
| drtt-ex31_1.htm | 22171 | 2022-11-14 17:06:25 |
| drtt-ex31_2.htm | 22349 | 2022-11-14 17:06:25 |
| drtt-ex32_1.htm | 12568 | 2022-11-14 17:06:25 |
| drtt-ex32_2.htm | 12578 | 2022-11-14 17:06:25 |
| FilingSummary.xml | 40010 | 2022-11-14 17:06:25 |
| Financial_Report.xlsx | 93126 | 2022-11-14 17:06:25 |
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| R1.htm | 53255 | 2022-11-14 17:06:25 |
| R10.htm | 14857 | 2022-11-14 17:06:25 |
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| report.css | 2767 | 2022-11-14 17:06:25 |
| Show.js | 1085 | 2022-11-14 17:06:25 |