Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-029115-index-headers.html | 2021-11-17 16:15:21 | |
| 0001493152-21-029115-index.html | 2021-11-17 16:15:21 | |
| 0001493152-21-029115.txt | 2021-11-17 16:15:21 | |
 0001493152-21-029115-xbrl.zip | 18761 | 2021-11-17 16:15:21 |
| ex99-1.htm | 20728 | 2021-11-17 16:15:21 |
 ex99-1_001.jpg | 4064 | 2021-11-17 16:15:21 |
 ex99-1_002.jpg | 2532 | 2021-11-17 16:15:21 |
| FilingSummary.xml | 1668 | 2021-11-17 16:15:21 |
| Financial_Report.xlsx | 5683 | 2021-11-17 16:15:21 |
| form8-k.htm | 34403 | 2021-11-17 16:15:21 |
| form8-k_htm.xml | 3619 | 2021-11-17 16:15:21 |
| gtll-20211117.xsd | 3067 | 2021-11-17 16:15:21 |
| gtll-20211117_lab.xml | 34240 | 2021-11-17 16:15:21 |
| gtll-20211117_pre.xml | 22387 | 2021-11-17 16:15:21 |
 image_001.jpg | 4209 | 2021-11-17 16:15:21 |
| MetaLinks.json | 38609 | 2021-11-17 16:15:21 |
| R1.htm | 39996 | 2021-11-17 16:15:21 |
| report.css | 2767 | 2021-11-17 16:15:21 |
| Show.js | 1085 | 2021-11-17 16:15:21 |