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|---|---|---|
 0001062993-21-000310-index-headers.html | 2021-01-12 19:23:52 | |
| 0001062993-21-000310-index.html | 2021-01-12 19:23:52 | |
| 0001062993-21-000310.txt | 2021-01-12 19:23:52 | |
 0001062993-21-000310-xbrl.zip | 76594 | 2021-01-12 19:23:52 |
| enrt-20201130.xml | 338908 | 2021-01-12 19:23:52 |
| enrt-20201130.xsd | 60485 | 2021-01-12 19:23:52 |
| enrt-20201130_cal.xml | 24520 | 2021-01-12 19:23:52 |
| enrt-20201130_def.xml | 71473 | 2021-01-12 19:23:52 |
| enrt-20201130_lab.xml | 484975 | 2021-01-12 19:23:52 |
| enrt-20201130_pre.xml | 167177 | 2021-01-12 19:23:52 |
| exhibit31-1.htm | 6851 | 2021-01-12 19:23:52 |
| exhibit31-2.htm | 6909 | 2021-01-12 19:23:52 |
| exhibit32-1.htm | 4617 | 2021-01-12 19:23:52 |
| exhibit32-2.htm | 4661 | 2021-01-12 19:23:52 |
| FilingSummary.xml | 21594 | 2021-01-12 19:23:52 |
| Financial_Report.xlsx | 41277 | 2021-01-12 19:23:52 |
| form10q.htm | 373119 | 2021-01-12 19:23:52 |
 form10qx001.jpg | 74816 | 2021-01-12 19:23:52 |
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| R8.htm | 8730 | 2021-01-12 19:23:52 |
| R9.htm | 6669 | 2021-01-12 19:23:52 |
| report.css | 2767 | 2021-01-12 19:23:52 |
| Show.js | 1085 | 2021-01-12 19:23:52 |