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| 0001493152-20-013943-index.html | 2020-07-24 15:14:18 | |
| 0001493152-20-013943.txt | 2020-07-24 15:14:18 | |
 0001493152-20-013943-xbrl.zip | 111368 | 2020-07-24 15:14:18 |
| ex23-2.htm | 3958 | 2020-07-24 15:14:18 |
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| ex3-13.htm | 37206 | 2020-07-24 15:14:18 |
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| gtll-20200331.xml | 670412 | 2020-07-24 15:14:18 |
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| report.css | 2767 | 2020-07-24 15:14:18 |
| Show.js | 1085 | 2020-07-24 15:14:18 |