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| 0001060349-19-000017-index.html | 2019-08-07 10:16:46 | |
| 0001060349-19-000017.txt | 2019-08-07 10:16:46 | |
 0001060349-19-000017-xbrl.zip | 193473 | 2019-08-07 10:16:46 |
| ex31_1063019.htm | 18238 | 2019-08-07 10:16:46 |
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| gbl-20190630_lab.xml | 887154 | 2019-08-07 10:16:46 |
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| report.css | 2767 | 2019-08-07 10:16:46 |
| Show.js | 1085 | 2019-08-07 10:16:46 |