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| 0001564590-22-018346-index.html | 2022-05-05 17:44:28 | |
| 0001564590-22-018346.txt | 2022-05-05 17:44:28 | |
 0001564590-22-018346-xbrl.zip | 345035 | 2022-05-05 17:44:28 |
| dbe-10q_20220331.htm | 1749034 | 2022-05-05 17:44:28 |
| dbe-10q_20220331_htm.xml | 1188284 | 2022-05-05 17:44:28 |
| dbe-20220331.xsd | 38385 | 2022-05-05 17:44:28 |
| dbe-20220331_cal.xml | 38398 | 2022-05-05 17:44:28 |
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| dbe-20220331_lab.xml | 259727 | 2022-05-05 17:44:28 |
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| dbe-ex312_6.htm | 17745 | 2022-05-05 17:44:28 |
| dbe-ex321_7.htm | 7851 | 2022-05-05 17:44:28 |
| dbe-ex322_8.htm | 8079 | 2022-05-05 17:44:28 |
| FilingSummary.xml | 23863 | 2022-05-05 17:44:28 |
| Financial_Report.xlsx | 61015 | 2022-05-05 17:44:28 |
 gqfrq40wupxp000001.jpg | 56548 | 2022-05-05 17:44:28 |
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| R8.htm | 57647 | 2022-05-05 17:44:28 |
| R9.htm | 11883 | 2022-05-05 17:44:28 |
| report.css | 2767 | 2022-05-05 17:44:28 |
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