Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000931148-23-000105-index.html | 2023-06-21 17:24:39 | |
| 0000931148-23-000105.txt | 2023-06-21 17:24:39 | |
 0000931148-23-000105-xbrl.zip | 88422 | 2023-06-21 17:24:39 |
| FilingSummary.xml | 1706 | 2023-06-21 17:24:39 |
| Financial_Report.xlsx | 5699 | 2023-06-21 17:24:39 |
| gti-20230621.htm | 27189 | 2023-06-21 17:24:39 |
| gti-20230621.xsd | 1901 | 2023-06-21 17:24:39 |
 gti-20230621_g1.jpg | 84955 | 2023-06-21 17:24:39 |
| gti-20230621_htm.xml | 4111 | 2023-06-21 17:24:39 |
| gti-20230621_lab.xml | 24157 | 2023-06-21 17:24:39 |
| gti-20230621_pre.xml | 12509 | 2023-06-21 17:24:39 |
 image_0.jpg | 54300 | 2023-06-21 17:24:39 |
| MetaLinks.json | 17184 | 2023-06-21 17:24:39 |
| R1.htm | 38108 | 2023-06-21 17:24:39 |
| report.css | 2767 | 2023-06-21 17:24:39 |
| seniorsecurednotesoffering.htm | 15721 | 2023-06-21 17:24:39 |
| Show.js | 1085 | 2023-06-21 17:24:39 |