Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-24-005805-index-headers.html | 2024-05-09 07:01:40 | |
| 0001654954-24-005805-index.html | 2024-05-09 07:01:40 | |
| 0001654954-24-005805.txt | 2024-05-09 07:01:40 | |
 0001654954-24-005805-xbrl.zip | 100511 | 2024-05-09 07:01:40 |
| eng-20240330.xsd | 33785 | 2024-05-09 07:01:40 |
| eng-20240330_cal.xml | 40261 | 2024-05-09 07:01:40 |
| eng-20240330_def.xml | 69253 | 2024-05-09 07:01:40 |
| eng-20240330_lab.xml | 205490 | 2024-05-09 07:01:40 |
| eng-20240330_pre.xml | 163752 | 2024-05-09 07:01:40 |
| eng_10q.htm | 701729 | 2024-05-09 07:01:40 |
| eng_10q_htm.xml | 473150 | 2024-05-09 07:01:40 |
| eng_ex311.htm | 15315 | 2024-05-09 07:01:40 |
| eng_ex312.htm | 15578 | 2024-05-09 07:01:40 |
| eng_ex321.htm | 5561 | 2024-05-09 07:01:40 |
| FilingSummary.xml | 23481 | 2024-05-09 07:01:40 |
| Financial_Report.xlsx | 54329 | 2024-05-09 07:01:40 |
| MetaLinks.json | 414700 | 2024-05-09 07:01:40 |
| R1.htm | 53090 | 2024-05-09 07:01:40 |
| R10.htm | 19365 | 2024-05-09 07:01:40 |
| R11.htm | 22472 | 2024-05-09 07:01:40 |
| R12.htm | 66805 | 2024-05-09 07:01:40 |
| R13.htm | 6638 | 2024-05-09 07:01:40 |
| R14.htm | 7844 | 2024-05-09 07:01:40 |
| R15.htm | 58941 | 2024-05-09 07:01:40 |
| R16.htm | 11425 | 2024-05-09 07:01:40 |
| R17.htm | 10087 | 2024-05-09 07:01:40 |
| R18.htm | 6635 | 2024-05-09 07:01:40 |
| R19.htm | 9389 | 2024-05-09 07:01:40 |
| R2.htm | 54126 | 2024-05-09 07:01:40 |
| R20.htm | 15864 | 2024-05-09 07:01:40 |
| R21.htm | 15573 | 2024-05-09 07:01:40 |
| R22.htm | 59272 | 2024-05-09 07:01:40 |
| R23.htm | 62680 | 2024-05-09 07:01:40 |
| R24.htm | 8628 | 2024-05-09 07:01:40 |
| R25.htm | 9215 | 2024-05-09 07:01:40 |
| R26.htm | 18520 | 2024-05-09 07:01:40 |
| R27.htm | 9934 | 2024-05-09 07:01:40 |
| R28.htm | 14369 | 2024-05-09 07:01:40 |
| R29.htm | 13353 | 2024-05-09 07:01:40 |
| R3.htm | 104877 | 2024-05-09 07:01:40 |
| R30.htm | 57840 | 2024-05-09 07:01:40 |
| R31.htm | 10792 | 2024-05-09 07:01:40 |
| R32.htm | 3695 | 2024-05-09 07:01:40 |
| R33.htm | 16043 | 2024-05-09 07:01:40 |
| R34.htm | 17047 | 2024-05-09 07:01:40 |
| R35.htm | 9539 | 2024-05-09 07:01:40 |
| R36.htm | 46223 | 2024-05-09 07:01:40 |
| R37.htm | 13640 | 2024-05-09 07:01:40 |
| R38.htm | 14388 | 2024-05-09 07:01:40 |
| R39.htm | 12656 | 2024-05-09 07:01:40 |
| R4.htm | 14516 | 2024-05-09 07:01:40 |
| R5.htm | 77354 | 2024-05-09 07:01:40 |
| R6.htm | 31087 | 2024-05-09 07:01:40 |
| R7.htm | 9068 | 2024-05-09 07:01:40 |
| R8.htm | 18993 | 2024-05-09 07:01:40 |
| R9.htm | 9332 | 2024-05-09 07:01:40 |
| report.css | 2767 | 2024-05-09 07:01:40 |
| Show.js | 1085 | 2024-05-09 07:01:40 |