Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-20-005046-index-headers.html | 2020-05-07 14:33:27 | |
| 0001654954-20-005046-index.html | 2020-05-07 14:33:27 | |
| 0001654954-20-005046.txt | 2020-05-07 14:33:27 | |
 0001654954-20-005046-xbrl.zip | 48037 | 2020-05-07 14:33:27 |
| eng-20200328.xml | 283036 | 2020-05-07 14:33:27 |
| eng-20200328.xsd | 19851 | 2020-05-07 14:33:27 |
| eng-20200328_cal.xml | 44314 | 2020-05-07 14:33:27 |
| eng-20200328_def.xml | 37791 | 2020-05-07 14:33:27 |
| eng-20200328_lab.xml | 162280 | 2020-05-07 14:33:27 |
| eng-20200328_pre.xml | 114686 | 2020-05-07 14:33:27 |
| eng_10q.htm | 723665 | 2020-05-07 14:33:27 |
| eng_ex311.htm | 16867 | 2020-05-07 14:33:27 |
| eng_ex312.htm | 17214 | 2020-05-07 14:33:27 |
| eng_ex321.htm | 8593 | 2020-05-07 14:33:27 |
| FilingSummary.xml | 16635 | 2020-05-07 14:33:27 |
| Financial_Report.xlsx | 34353 | 2020-05-07 14:33:27 |
| R1.htm | 32631 | 2020-05-07 14:33:27 |
| R10.htm | 14009 | 2020-05-07 14:33:27 |
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| R8.htm | 14044 | 2020-05-07 14:33:27 |
| R9.htm | 10901 | 2020-05-07 14:33:27 |
| report.css | 2767 | 2020-05-07 14:33:27 |
| Show.js | 1085 | 2020-05-07 14:33:27 |