Parent Directory| Name | Size | Last Modified |
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| 0001654954-22-008176-index.html | 2022-06-10 09:15:33 | |
| 0001654954-22-008176.txt | 2022-06-10 09:15:33 | |
 0001654954-22-008176-xbrl.zip | 9970 | 2022-06-10 09:15:33 |
| eng-20220609.xsd | 5837 | 2022-06-10 09:15:33 |
| eng-20220609_cal.xml | 905 | 2022-06-10 09:15:33 |
| eng-20220609_def.xml | 2110 | 2022-06-10 09:15:33 |
| eng-20220609_lab.xml | 14763 | 2022-06-10 09:15:33 |
| eng-20220609_pre.xml | 9378 | 2022-06-10 09:15:33 |
| eng_8k.htm | 34475 | 2022-06-10 09:15:33 |
| eng_8k_htm.xml | 3612 | 2022-06-10 09:15:33 |
| FilingSummary.xml | 1653 | 2022-06-10 09:15:33 |
| Financial_Report.xlsx | 5675 | 2022-06-10 09:15:33 |
| MetaLinks.json | 17092 | 2022-06-10 09:15:33 |
| R1.htm | 40232 | 2022-06-10 09:15:33 |
| report.css | 2767 | 2022-06-10 09:15:33 |
| Show.js | 1085 | 2022-06-10 09:15:33 |