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| 0001683168-21-001862.txt | 2021-05-10 16:45:47 | |
 0001683168-21-001862-xbrl.zip | 54785 | 2021-05-10 16:45:47 |
| deepdown_10q-033121.htm | 262996 | 2021-05-10 16:45:47 |
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| report.css | 2767 | 2021-05-10 16:45:47 |
| Show.js | 1085 | 2021-05-10 16:45:47 |