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|---|---|---|
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| 0000931148-23-000163-index.html | 2023-11-14 16:32:59 | |
| 0000931148-23-000163.txt | 2023-11-14 16:32:59 | |
 0000931148-23-000163-xbrl.zip | 111266 | 2023-11-14 16:32:59 |
| exhibit31bylaws.htm | 108902 | 2023-11-14 16:32:59 |
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| FilingSummary.xml | 1675 | 2023-11-14 16:32:59 |
| Financial_Report.xlsx | 5729 | 2023-11-14 16:32:59 |
| gti-20231109.htm | 30838 | 2023-11-14 16:32:59 |
| gti-20231109.xsd | 1901 | 2023-11-14 16:32:59 |
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| gti-20231109_htm.xml | 2820 | 2023-11-14 16:32:59 |
| gti-20231109_lab.xml | 25158 | 2023-11-14 16:32:59 |
| gti-20231109_pre.xml | 13044 | 2023-11-14 16:32:59 |
| MetaLinks.json | 17614 | 2023-11-14 16:32:59 |
| R1.htm | 39627 | 2023-11-14 16:32:59 |
| report.css | 2767 | 2023-11-14 16:32:59 |
| Show.js | 1085 | 2023-11-14 16:32:59 |