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| 0000931148-23-000156-index.html | 2023-11-03 06:54:20 | |
| 0000931148-23-000156.txt | 2023-11-03 06:54:20 | |
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| a2023-3qearningspressrelea.htm | 368957 | 2023-11-03 06:54:20 |
| FilingSummary.xml | 1675 | 2023-11-03 06:54:20 |
| Financial_Report.xlsx | 5702 | 2023-11-03 06:54:20 |
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| gti-20231103.htm | 25029 | 2023-11-03 06:54:20 |
| gti-20231103.xsd | 1901 | 2023-11-03 06:54:20 |
 gti-20231103_g1.jpg | 84955 | 2023-11-03 06:54:20 |
| gti-20231103_htm.xml | 2720 | 2023-11-03 06:54:20 |
| gti-20231103_lab.xml | 24157 | 2023-11-03 06:54:20 |
| gti-20231103_pre.xml | 12509 | 2023-11-03 06:54:20 |
| MetaLinks.json | 17086 | 2023-11-03 06:54:20 |
| R1.htm | 38109 | 2023-11-03 06:54:20 |
| report.css | 2767 | 2023-11-03 06:54:20 |
| Show.js | 1085 | 2023-11-03 06:54:20 |