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| 0001654954-24-003953-index.html | 2024-03-29 16:02:02 | |
| 0001654954-24-003953.txt | 2024-03-29 16:02:02 | |
 0001654954-24-003953-xbrl.zip | 182124 | 2024-03-29 16:02:02 |
| eng-20231230.xsd | 57050 | 2024-03-29 16:02:02 |
| eng-20231230_cal.xml | 54371 | 2024-03-29 16:02:02 |
| eng-20231230_def.xml | 111585 | 2024-03-29 16:02:02 |
| eng-20231230_lab.xml | 333209 | 2024-03-29 16:02:02 |
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| eng_10k_htm.xml | 825400 | 2024-03-29 16:02:02 |
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| eng_ex311.htm | 9351 | 2024-03-29 16:02:02 |
| eng_ex312.htm | 9418 | 2024-03-29 16:02:02 |
| eng_ex321.htm | 3653 | 2024-03-29 16:02:02 |
| eng_ex322.htm | 4053 | 2024-03-29 16:02:02 |
| eng_ex42.htm | 16138 | 2024-03-29 16:02:02 |
| FilingSummary.xml | 42886 | 2024-03-29 16:02:02 |
| Financial_Report.xlsx | 94399 | 2024-03-29 16:02:02 |
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| report.css | 2767 | 2024-03-29 16:02:02 |
| Show.js | 1085 | 2024-03-29 16:02:02 |