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 0001437749-19-016853-index-headers.html | 2019-08-14 17:08:02 | |
| 0001437749-19-016853-index.html | 2019-08-14 17:08:02 | |
| 0001437749-19-016853.txt | 2019-08-14 17:08:02 | |
 0001437749-19-016853-xbrl.zip | 199894 | 2019-08-14 17:08:02 |
| ensv-20190630.xml | 1848965 | 2019-08-14 17:08:02 |
| ensv-20190630.xsd | 74570 | 2019-08-14 17:08:02 |
| ensv-20190630_cal.xml | 69385 | 2019-08-14 17:08:02 |
| ensv-20190630_def.xml | 528497 | 2019-08-14 17:08:02 |
| ensv-20190630_lab.xml | 507568 | 2019-08-14 17:08:02 |
| ensv-20190630_pre.xml | 565380 | 2019-08-14 17:08:02 |
| ensv20190625_10q.htm | 1257836 | 2019-08-14 17:08:02 |
| ex_148668.htm | 12858 | 2019-08-14 17:08:02 |
| ex_148669.htm | 13182 | 2019-08-14 17:08:02 |
| ex_148670.htm | 9543 | 2019-08-14 17:08:02 |
| ex_155410.htm | 49223 | 2019-08-14 17:08:02 |
| FilingSummary.xml | 41146 | 2019-08-14 17:08:02 |
| Financial_Report.xlsx | 78875 | 2019-08-14 17:08:02 |
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| report.css | 2767 | 2019-08-14 17:08:02 |
| Show.js | 1085 | 2019-08-14 17:08:02 |