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| 0001654954-23-010481-index.html | 2023-08-10 16:01:28 | |
| 0001654954-23-010481.txt | 2023-08-10 16:01:28 | |
 0001654954-23-010481-xbrl.zip | 111598 | 2023-08-10 16:01:28 |
| eng-20230701.xsd | 39190 | 2023-08-10 16:01:28 |
| eng-20230701_cal.xml | 42822 | 2023-08-10 16:01:28 |
| eng-20230701_def.xml | 79394 | 2023-08-10 16:01:28 |
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| eng_10q.htm | 965514 | 2023-08-10 16:01:28 |
| eng_10q_htm.xml | 696991 | 2023-08-10 16:01:28 |
| eng_ex311.htm | 14570 | 2023-08-10 16:01:28 |
| eng_ex312.htm | 14852 | 2023-08-10 16:01:28 |
| eng_ex321.htm | 5566 | 2023-08-10 16:01:28 |
| FilingSummary.xml | 24872 | 2023-08-10 16:01:28 |
| Financial_Report.xlsx | 63667 | 2023-08-10 16:01:28 |
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| report.css | 2767 | 2023-08-10 16:01:28 |
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