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| 0001564590-19-030189-index.html | 2019-08-07 17:06:54 | |
| 0001564590-19-030189.txt | 2019-08-07 17:06:54 | |
 0001564590-19-030189-xbrl.zip | 118782 | 2019-08-07 17:06:54 |
| FilingSummary.xml | 35134 | 2019-08-07 17:06:54 |
| Financial_Report.xlsx | 65232 | 2019-08-07 17:06:54 |
| gv-10q_20190630.htm | 2053334 | 2019-08-07 17:06:54 |
| gv-20190630.xml | 1723030 | 2019-08-07 17:06:54 |
| gv-20190630.xsd | 42738 | 2019-08-07 17:06:54 |
| gv-20190630_cal.xml | 65311 | 2019-08-07 17:06:54 |
| gv-20190630_def.xml | 122976 | 2019-08-07 17:06:54 |
| gv-20190630_lab.xml | 316813 | 2019-08-07 17:06:54 |
| gv-20190630_pre.xml | 258633 | 2019-08-07 17:06:54 |
| gv-ex311_7.htm | 17618 | 2019-08-07 17:06:54 |
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| report.css | 2767 | 2019-08-07 17:06:54 |
| Show.js | 1085 | 2019-08-07 17:06:54 |