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| 0001010549-19-000054-index.html | 2019-04-01 14:26:40 | |
| 0001010549-19-000054.txt | 2019-04-01 14:26:40 | |
 0001010549-19-000054-xbrl.zip | 80084 | 2019-04-01 14:26:40 |
| FilingSummary.xml | 28225 | 2019-04-01 14:26:40 |
| Financial_Report.xlsx | 58133 | 2019-04-01 14:26:40 |
| gbr-20181231.xml | 565955 | 2019-04-01 14:26:40 |
| gbr-20181231.xsd | 25091 | 2019-04-01 14:26:40 |
| gbr-20181231_cal.xml | 48960 | 2019-04-01 14:26:40 |
| gbr-20181231_def.xml | 45409 | 2019-04-01 14:26:40 |
| gbr-20181231_lab.xml | 201940 | 2019-04-01 14:26:40 |
| gbr-20181231_pre.xml | 163327 | 2019-04-01 14:26:40 |
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| report.css | 2767 | 2019-04-01 14:26:40 |
| Show.js | 1085 | 2019-04-01 14:26:40 |