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|---|---|---|
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| 0001654954-20-008561-index.html | 2020-08-06 11:10:04 | |
| 0001654954-20-008561.txt | 2020-08-06 11:10:04 | |
 0001654954-20-008561-xbrl.zip | 63814 | 2020-08-06 11:10:04 |
| eng-20200627.xml | 783681 | 2020-08-06 11:10:04 |
| eng-20200627.xsd | 23100 | 2020-08-06 11:10:04 |
| eng-20200627_cal.xml | 49771 | 2020-08-06 11:10:04 |
| eng-20200627_def.xml | 45095 | 2020-08-06 11:10:04 |
| eng-20200627_lab.xml | 184591 | 2020-08-06 11:10:04 |
| eng-20200627_pre.xml | 131327 | 2020-08-06 11:10:04 |
| eng_10q.htm | 1063197 | 2020-08-06 11:10:04 |
| eng_ex311.htm | 16869 | 2020-08-06 11:10:04 |
| eng_ex312.htm | 17216 | 2020-08-06 11:10:04 |
| eng_ex321.htm | 8598 | 2020-08-06 11:10:04 |
| FilingSummary.xml | 18650 | 2020-08-06 11:10:04 |
| Financial_Report.xlsx | 44764 | 2020-08-06 11:10:04 |
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| R27.htm | 4356 | 2020-08-06 11:10:04 |
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| R9.htm | 19374 | 2020-08-06 11:10:04 |
| report.css | 2767 | 2020-08-06 11:10:04 |
| Show.js | 1085 | 2020-08-06 11:10:04 |