Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000931148-23-000103-index-headers.html | 2023-06-20 16:37:54 | |
| 0000931148-23-000103-index.html | 2023-06-20 16:37:54 | |
| 0000931148-23-000103.txt | 2023-06-20 16:37:54 | |
 0000931148-23-000103-xbrl.zip | 89847 | 2023-06-20 16:37:54 |
| exhibit991seniorsecurednot.htm | 15685 | 2023-06-20 16:37:54 |
| FilingSummary.xml | 1706 | 2023-06-20 16:37:54 |
| Financial_Report.xlsx | 5700 | 2023-06-20 16:37:54 |
| gti-20230620.htm | 34530 | 2023-06-20 16:37:54 |
| gti-20230620.xsd | 1901 | 2023-06-20 16:37:54 |
 gti-20230620_g1.jpg | 84955 | 2023-06-20 16:37:54 |
| gti-20230620_htm.xml | 10827 | 2023-06-20 16:37:54 |
| gti-20230620_lab.xml | 24157 | 2023-06-20 16:37:54 |
| gti-20230620_pre.xml | 12509 | 2023-06-20 16:37:54 |
 image_0.jpg | 54300 | 2023-06-20 16:37:54 |
| MetaLinks.json | 17184 | 2023-06-20 16:37:54 |
| R1.htm | 38108 | 2023-06-20 16:37:54 |
| report.css | 2767 | 2023-06-20 16:37:54 |
| Show.js | 1085 | 2023-06-20 16:37:54 |