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| 0001683168-19-001580.txt | 2019-05-15 16:02:35 | |
 0001683168-19-001580-xbrl.zip | 74725 | 2019-05-15 16:02:35 |
| envision_10q-033119.htm | 381120 | 2019-05-15 16:02:35 |
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| envision_10q-ex3102.htm | 10389 | 2019-05-15 16:02:35 |
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| Financial_Report.xlsx | 60162 | 2019-05-15 16:02:35 |
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| report.css | 2767 | 2019-05-15 16:02:35 |
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