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| 0001493152-23-018727.txt | 2023-05-23 16:21:00 | |
 0001493152-23-018727-xbrl.zip | 216327 | 2023-05-23 16:21:00 |
| ex10-7.htm | 124988 | 2023-05-23 16:21:00 |
| ex10-8.htm | 147336 | 2023-05-23 16:21:00 |
| ex31-1.htm | 17423 | 2023-05-23 16:21:00 |
| ex31-2.htm | 18499 | 2023-05-23 16:21:00 |
| ex32-1.htm | 6452 | 2023-05-23 16:21:00 |
| FilingSummary.xml | 29894 | 2023-05-23 16:21:00 |
| Financial_Report.xlsx | 104941 | 2023-05-23 16:21:00 |
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| form10-q_htm.xml | 903740 | 2023-05-23 16:21:00 |
| gtll-20230331.xsd | 41151 | 2023-05-23 16:21:00 |
| gtll-20230331_cal.xml | 58508 | 2023-05-23 16:21:00 |
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| gtll-20230331_lab.xml | 315759 | 2023-05-23 16:21:00 |
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| R9.htm | 8626 | 2023-05-23 16:21:00 |
| report.css | 2767 | 2023-05-23 16:21:00 |
| Show.js | 1085 | 2023-05-23 16:21:00 |