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|---|---|---|
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| 0001493152-17-012376-index.html | 2017-11-03 11:10:39 | |
| 0001493152-17-012376.txt | 2017-11-03 11:10:39 | |
 0001493152-17-012376-xbrl.zip | 41010 | 2017-11-03 11:10:39 |
| eng-20170930.xml | 230528 | 2017-11-03 11:10:39 |
| eng-20170930.xsd | 16181 | 2017-11-03 11:10:39 |
| eng-20170930_cal.xml | 39618 | 2017-11-03 11:10:39 |
| eng-20170930_def.xml | 23245 | 2017-11-03 11:10:39 |
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| ex32-0.htm | 7522 | 2017-11-03 11:10:39 |
| FilingSummary.xml | 15570 | 2017-11-03 11:10:39 |
| Financial_Report.xlsx | 29793 | 2017-11-03 11:10:39 |
| form10-q.htm | 469074 | 2017-11-03 11:10:39 |
| R1.htm | 21760 | 2017-11-03 11:10:39 |
| R10.htm | 43790 | 2017-11-03 11:10:39 |
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| R2.htm | 31128 | 2017-11-03 11:10:39 |
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| R8.htm | 14223 | 2017-11-03 11:10:39 |
| R9.htm | 6054 | 2017-11-03 11:10:39 |
| report.css | 2767 | 2017-11-03 11:10:39 |
| Show.js | 1410 | 2017-11-03 11:10:39 |